OU Crystallography Lab

Department of Chemistry & Biochemistry
Chemical Crystallography Laboratory

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Publications

2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017

The following publications contain one or more crystal structures determined in the Chemical Crystallography Lab at the University of Oklahoma. The DOI, or Digital Object Identifier links, should point directly to the published article. Small links at the end of a citation are links to the respective structures on the local Reciprocal Network server.

2017

  1. J. Motley, B. Stamps, C. Mitchell, A. Thompson, J. Cross, J. You, D. Powell, B. Stevenson, and R. Cichewicz, Opportunistic sampling of roadkill as an entry point to accessing natural products assembled by bacteria associated with non-anthropoidal mammalian microbiomes. J. Nat. Prod., 2017, 80, 598-608, 1233. doi: 10.1021/acs.jnatprod.6b00772,
    74jm53e.

  2. H. K. Kotapati, J. D. Robinson, D. R. Lawrence, K. R. Fortner, C. W. Stanford, D. R. Powell, R. Wardenga, U. T. Bornscheuer, and D. S. Masterson, Diastereoselective hydrolysis of branched malonate diesters by Porcine liver esterase: synthesis of 5-benzyl-substituted Cα-methyl-β-proline and catalytic evaluation. Eur. J. Org. Chem., 2017, 3009-3016. doi: 10.1002/ejoc.201700605,
    14035, 16006.

  3. N. Xu, A. W. Bevak, B. R. Armstrong, and D. R. Powell, Synthesis, characterization and solid state molecular structures of five- and six-coordinate primary amide manganese porphyrin complexes. Polyhed., 2017, 127, 432-437. doi: 10.1016/j.poly.2016.10.022,
    15106, 15100, 15099.

  4. B. Stobbe, D. R. Powell, and Robert K. Thomson, Schiff base thorium(IV) and uranium(IV) chloro complexes: synthesis, substitution and oxidation chemistry. Dalton Trans., 2017, 46, 4888-4892. doi: 10.1039/c7dt00580f,
    16034, 16101, 17011, 17016, 16038.

2016

  1. N. Xu, E. G. Abucayon, D. R. Powell, and G. B. Richter-Addo, A bridged di-iron porphyrin hyponitrite complex as a model for biological N2O production from hyponitrite. Nitric Oxide, 2016, 52, 16-20. doi: 10.1016/j.niox.2015.10.005,
    11069.

  2. E. Abucayon, R. Khade, D. Powell, Y. Zhang, G. Richter-Addo, Hydride attack on a coordinated ferric nitrosyl: experimental and DFT evidence for the formation of a heme model-HNO derivative. J. Am. Chem. Soc., 2016, 138, 104-107. doi: 10.1021/jacs.5b12008,
    15021.

  3. D. Awasabisah, N. Xu, K. P. S. Gautam, D. R. Powell, M. J. Shaw, and G. B. Richter-Addo , Preparation, characterization, electrochemistry, and infrared spectro-electrochemistry of ruthenium-nitrosyl porphyrins containing η1-O-bonded axial carboxylates. Eur. J. Inorg. Chem., 2016, 509-518. doi: 10.1002/ejic.201501115,
    11051a, 10029, 14013, 14153.

  4. E. McMoran, C. Mugenzi, K. Fournier, M. Draganjac, D. Tony, K. Jeong, D. R. Powell, and L. Yang, Synthesis and characterization of divalent metal complexes with bipyridylamide ligands. J. Coord. Chem., 2016, 69, 375-388. doi: 10.1080/00958972.2015.1122188,
    14082, 15004, 14084, 13139, 14136, 13070.

  5. J. Yi, P. Coppens, D. R. Powell, and G. B. Richter-Addo, Linkage isomerization in nitrosothiols (RSNOs): the X-ray crystal structure of an S-nitrosocysteine and DFT analysis of its metastable MS1 and MS2 isomers. Comments Inorg. Chem., 2016, 36, 81-91. doi: 10.1080/02603594.2015.1095185,
    gr5065, gr5068.

  6. S. Cai, A. Risinger, S. Nair, J. Peng, T. Anderson, L. Du, D. Powell, S. Mooberry, R. Cichewicz, Identification of compounds with efficacy against malaria parasites from common north American plants. J. Nat. Prod., 2016, 79, 490-498. doi: 10.1021/acs.jnatprod.5b00874,
    14057.

  7. C. Shaffer, S. Cai, J. Peng, A. Robles, R. Hartley, D. Powell, L. Du, R. Cichewicz, S. Mooberry, Texas native plants yield compounds with cytotoxic activities against prostate cancer cells. J. Nat. Prod., 2016, 79, 531-540. doi: 10.1021/acs.jnatprod.5b00908,
    84sc35l.

  8. D. R. Powell, Review of X-Ray Crystallography. J. Chem. Ed., 2016, 93, 591-592. doi: 10.1021/acs.jchemed.5b00893,

  9. E. P. McMoran, M. N. Dominguez, E. M. Erwin, D. R. Powell, G. T. Rowe, and L. Yang, Structural diversity, spectral characterization and computational studies of Cu(I) complexes with pyridylamide ligands. Inorg. Chim. Acta, 2016, 446, 150-160. doi: 10.1016/j.ica.2016.03.011,
    12123, 13137, 13076, 13075, 13151.

  10. A. Gupta, I. Gomes, E. N. Bobeck, A. K. Fakira, N. P. Massaro, I. Sharma, A. Cavé, H. E. Hamm, J. Parello, and L. A. Devi, Collybolide is a novel biased agonist of κ-opioid receptors with potent antipruritic activity. PNAS, 2016, 113, 6041-6046. doi: 10.1073/pnas.1521825113,
    15109, 15110.

  11. E. G. Abucayon, R. L. Khade, D. R. Powell, M. J. Shaw, Y. Zhang, and G. R. Richter-Addo, Over or under: hydride attack at the metal versus the coordinated nitrosyl ligand in ferric nitrosyl porphyrins. Dalton Trans, 2016, 45, 18259-18266. doi: 10.1039/c6dt03860c,
    16011, 15123.

  12. M. Saleh, D. R. Powell, and R. J. Wehmschulte, Chlorination of 1-carba-closo-dodeca- and 1-aminio-closo-dodecarborate anions. Inorg. Chem., 2016, 55, 10617-10627. doi: 10.1021/acs.inorgchem.6b01867,
    14213, 14212, 14214.

  13. E. P. McMoran, D. R. Powell, F. Perez, G. T. Rowe, and L. Yang, Synthesis and characterization of copper complexes with CuICuI, Cu1.5Cu1.5 and CuIICuII core structures supported by a flexible dipyridylamide ligand. Inorg. Chem., 2016, 55, 11462-11472. doi: 10.1021/acs.inorgchem.6b02006,
    13150, 13127, 15087, 15088, 15032, 15113, 15115.

2015

  1. I. Basaran, X. Wang, A. Alamgir, J. Wang, S. A. Haque, Y. Zhang, D. R. Powell, J. Leszcynski, and Md. A. Hossain, Synthesis and anion binding properties of a urea-based molecular cleft. Tetrahed. Lett., 2015, 56, 657-661. doi: 10.1016/j.tetlet.2014.12.015,
    14173.

  2. D. Awasabisah, D. R. Powell, and G. B. Richter-Addo, Crystal structure of chloride{5,10,15,20-tetrakis[2-(2,2-dimethylpropanamido)phenyl]porphyrinato-κ4N}iron(III). Acta Cryst., 2015, E71, m42-m44. doi: 10.1107/S205698901500153X,
    13219.

  3. Y. Guan, D. R. Powell, and G. B. Richter-Addo, Crystal structure of bis(1-methyl-1H-imidazole-κN3) (5,10,15,20-tetraphenylporphyrinato-κ4N)iron(II)-1-methyl-1H-imidazole (1/2). Acta Cryst., 2015, E71, m57-m58. doi: 10.1107/S2056989015002364,
    13012.

  4. K. T. Bennae, D. R. Powell, and R. J. Wehmschulte, Lewis base adducts of diisobutylaluminum azide: synthesis and thermal stability. J. Coord. Chem., 2015, 68, 2470-2479. doi: 10.1080/00958972.2015.1044447,
    11001.

  5. L. Ahmed, Md. M. Rhaman, Md. Mhahabubur, J. S. Mendy, J. Wang, F. Fronczek, D. Powell, J. Leszczynski, and Md. Alamgir Hossain, Experimental and theoretical studies on halide binding with a p-xylyl-based azamacrocycle. J. Phys. Chem., 2015, 119, 383-394. doi: 10.1021/jp511040p,
    10011.

  6. D. Awasabisah, D. R. Powell, and G. B. Richter-Addo, Crystal structure of N-2{[2,6-bis(2,2,2-trifluoroacetamido)phenyl]disulfanyl}-3-(2,2,2-trifluoroacetamido)phenyl)-2,2-difluoropropanamide. Acta Cryst., 2015, E71, o639-o640. doi: 10.1107/S2056989015014231,
    13214.

  7. K. M. Osman, D. R. Powell, and R. J. Wehmschulte, Synthesis and reactivity of indium(I) 1-carba-closo-undecachlorododecaborate. Inorg. Chem., 2015, 54, 9195-9200. doi: 10.1021/acs.inorgchem.5b01629,
    14114, 14037, 14126, 15029, 15056.

  8. N. Xu, J. H. Christian, N. S. Dalal, E. G. Abucayon, C. Lingafelt, D. R. Powell, and G. B. Richter-Addo, Six-coordinate ferric porphyrins containing bidentate N-t-butyl-N-nitrosohydroxylaminato ligands: structure magnetism, IR spectroelectrochemistry, and reactivity. Dalton Trans., 2015, 44, 20121-20130. doi: 10.1039/c5dt03074a,
    08086, 11109a, 14124.

  9. C. Varjas, D. Powell, and R. Thomson, Rapid access to an oxido-alkylidene complex of Mo(VI). Organomet., 2015, 34, 4806-4809. doi: 10.1021/acs.organomet.5b00686,
    13188, 14174, 15005.

  10. M. A. Pauly, E. M. Erwin, D. R. Powell, G. T. Rowe, and L. Yang, A synthetic, spectroscopic and computational study of copper(II) complexes supported by pyridylamide ligands. Polyhedron, 2015, 102, 722-734. doi: 10.1016/j.poly.2015.11.015,
    15003, 13138, 14209.

  11. C. Boucher-Jacobs and K. M. Nicholas, Oxo-rhenium-catalyzed deoxydehydration of polyols with Hydroaromatic reductants. Organomet., 2015, 34, 1985-1990. doi: 10.1021/acs.organomet.5b00226,
    15046.

2014

  1. M. W. Jones, D. R. Powell, and G. B. Richter-Addo, Synthesis, characterization, and fiber-optic infrared reflectance spectroelectrochemical studies of some dinitrosyl iron diphosphine complexes Fe(NO)2L2 (L = P(C6H4X)3). J. Organomet. Chem., 2014, 63-74. doi: 10.1016/j.jorganchem.2013.12.040,
    08054, 07062.

  2. N. Xu, D. R. Powell, and G. B. Richter-Addo, Synthesis, molecular structure, and spectroelectrochemistry of a nitrosyl iron porphyrin containing an unsymmetrical xanthene-linked porphyrin core. Nitric Oxide, 2014, 37, 61-65. doi: 10.1016/j.niox.2014.01.001,
    09007.

  3. Md. M. Rhaman, F. R. Fronczek, D. R. Powell, and Md. A. Hossain, Colourimetric and fluorescent detection of oxalate in water by a new macrocycle-based dinuclear nickel complex: a remarkable red shift of the fluorescence band. Dalton Trans., 2014, 43, 4618-4621. doi: 10.1039/c3dt53467g,
    12003.

  4. Md. M. Rhaman, L. Ahmed, J. Wang, D. R. Powell, J. Leszczynski, Md. A. Hossain, Encapsulation and selectivity of sulfate with a furan-based hexaazamacrocyclic receptor in water. Org. Biomol. Chem., 2014, 12, 2045-2048. doi: 10.1039/c4ob00116h,
    13026.

  5. C. M. Theodore, B. W. Stamps, J. B. King, L. S. L. Price, D. R. Powell, B. S. Stevenson, and R. H. Cichewicz, Genomic and metabolomic insights into the natural product biosynthetic diversity of a feral-hog-associated Brevabacillus laterosporus strain. PLOS One, 2014, e90124. doi: 10.1371/journal.pone.0090124,
    13154.

  6. E. G. Abucayon, D. Awasabisah, D. R. Powell, and George B. Richter-Addo, (1-Methyl-1H-imidazole-κN3)(1-methyl-2-nitrosobenzene-κN) (5,10,15,20-tetraphenylporphrinato-κ4N)iron(II) dichloromethane monosolvate. Acta Cryst., 2014, E70, m51-m52. doi: 10.1107/S160053681400083X,
    13154.

  7. A. Pramanik, M. Emami Khansari, D. Powell, F. R. Fronczek, and Md. Alamgir Hossain, Absorption of atmospheric CO2 as carbonate inside the molecular cavity of a new tripodal hexaurea receptor. Org. Letters, 2014, 16, 366-369. doi: 10.1021/ol403186k,
    13154.

  8. L. Du, A. Robles, J. King, D. Powell, A. Miller, S. Mooberry, and R. Cichewicz, Crowdsourcing natural products discovery to access uncharted dimensions of fungal metabolite diversity. Angew. Chemie, Int. Ed., 2014, 53, 804-809. doi: 10.1002/anie.201306549,
    13154.

  9. R. J. Wehmschulte, K. K. Laali, G. L Borosky, and D. R. Powell, Synthesis and structure of the first bridgehead silylium ion. Organomet., 2014, 33, 2146-2149. doi: 10.1021/om5003792,
    13154.

  10. M. W. Jones, D. R. Powell, and G. B. Richter-Addo, Synthesis, characterization, and fiber-optic infrafed reflectance spectroelectrochemical studies of some dinitrosyliron diphosphine complexes Fe(NO)2L2 (L = P(C6H4X)3). J. Organomet. Chem., 2014, 43, 9740-9753. doi: 10.1039/c4dt00047a,
    13154.

  11. R. B. Williams, L. Du, V. L. Norman, M. G. Goering, M. O’Neil-Johnson, S. Woodbury, M. Albrecht, D. Powell, R. Cichewicz, G. Eldridge, and C. Starks, Diterpenes from the endangered goldenrod Solidago shortii. J. Nat. Prod., 2014, 77, 1438-1444. doi: 10.1021/np500178s,
    13154.

  12. A. Jozwiuk, A. L. Ingram, D. R. Powell, B. Moubaraki, N. F. Chilton, K. S. Murray, and R. Houser, Redox and acid-base properties of asymmetric non-heme (hydr)oxo-bridged diiron complexes. Dalton Trans., 2014, 43, 9740-9753. doi: 10.1039/c4dt00047a,
    13154.

  13. N. V. Handa, L. D. Shirtcliff, B. K. Lavine, D. R. Powell, and K. D. Berlin, 1,6- and 1,7-Regioisomers of perylene tetracarboxylic dianhydride and diimide: the effects of neutral bay substituents on the electrochemical and structural properties. Phos. Sulfur Silicon, 2014, 189, 738-752. doi: 10.1080/10426507.2013.855769,
    13154.

  14. J. A. Goodner, B. J. Powers, D. R. Powell, and L. Yang, Crystal structure of di-μ-hydroxido-bis-{[N,N'-bis(2,6-dimethylphenyl)pentane-2,4-diiminato(1-)]zinc}. Acta Cryst., 2014, E70, m320-m321. 2014, 189, 738-752. doi: 10.1107/S160053681401736X,
    13022.

  15. A. W. Friedline, M. M. Zachariah, K. Johnson, K. J. Thomas, III, M. N. Middaugh, R. Ravindranath, D. R. Powell, P. A. Vaishampayan, and C. V. Rice. Water behavior in bacterial spores by deuterium NMR spectroscopy. J. Phys. Chem. B, 2014, 118, 8945-8955. doi: 10.1021/jp5025119,
    12134.

  16. L. Du, A. Risinger, J. King, D. Powell, and R. Cichewicz, A potent HDAC inhibitor, 1-alaninechlamydocin, from a Tolypocladium sp. induces G2/M cell cycle arrest and apoptosis in MIA PaCa-2 cells. J. Nat. Prod., 2014, 77, 1753-1757. doi: 10.1021/np500387h,
    14055.

  17. E. P. McMoran, J. A. Goodner, D. R. Powell, and L. Yang, Synthesis and characterization of Cu(II), Zn(II), and Fe(II) complexes supported by pyridylamide ligands. Inorg. Chim. Acta, 2014, 421, 465-472. doi: 10.1016/j.ica.2014.07.012,
    12114, 13002, 12149A, 13125, 13152, 13153.

  18. A. T. Tran, P. Liu, K. N. Houk, and K. M. Nicholas, Regioselectivity in the Cu(I)-catalyzed [4+2]-cycloaddition of 2-nitrosopyridine with unsymmetrical dienes. J. Org. Chem., 2014, 79, 5617-5626. doi: 10.1021/jo5005907,
    11055.

  19. S. Cai, J. King, L. Du, D. Powell, and R. Cichewicz, Bioactive sulfur-containing sulochrin dimers and other metabolites from an Alternaria sp. isolate from a Hawaiian soil sample. J. Nat. Prod., 2014, 77, 2280-2287. doi: 10.1021/np5005449,
    12068, 12041.

  20. B. Wang, J. You, J. King, S. Cai, E. Park, D. Powell, and R. Cichewicz, Polyketide glycosides from Bionectria ochroleuca inhibit Candida albicans biofilm formation. J. Nat. Prod., 2014, 77, 2273-2279. doi: 10.1021/np500531j,
    13174.

  21. Md. M. Rhaman, A. Main, B. M. Wong, D. R. Powell, and Md. A. Hossain, A highly efficient dinuclear Cu(II) chemosensor for colorimetric and fluorescent detection of cyanide in water. RSC Advances, 2014, 4, 54263-54267. doi: 10.1039/c4ra10813b.

2013

  1. A. Jozwiuk, Z. Wang, D. R. Powell, and R. P. Houser, Copper(II) complexes of symmetric and asymmetric bis(imine) ligands: tuning the Cu(I)/Cu(II) redox couple. Inorg. Chim. Acta, 2013, 394, 415-422. doi: 10.1016/j.ica.2012.08.026,
    10018, 10027.

  2. U. Pal Chaudhuri, R. Shakya, J. M. McClain, E. L. Klein, D. R. Powell, A. Grohmann and R. P. Houser, Copper(II), iron(II), and manganese(II) complexes of 2-methyl-2-(2-pyridinal)-1,3-propanediamine. Polyhed., 2013, 54, 84-90. doi: 10.1016/j.poly.2013.02.024,
    06228, 06211, 08100, 11111.

  3. N. Xu, L. E. Goodrich, N. Lehnert, D. R. Powell, and G. B. Richter-Addo, Preparation of the elusive [(por)Fe(NO)(o-ligand)] complex by diffusion of nitric oxide into a crystal of the precursor. Angew. Chem., Int. Ed., 2013, 52, 3896-3900. doi: 10.1002/anie.201208063,
    12038, 07064.

  4. D. Awasabisah, N. Xu, K. P. Sharmah Gautham, D. R. Powell, M. J. Shaw, and G. B. Richter-Addo, Stable ruthenium nitrosyl porphyrins with axial O-bonded ligands; preparation and redox behavior. Dalton Trans., 2013, 42, 8537-8540 and cover. doi: 10.1039/c3dt33109a,
    13017, 13018.

  5. N. Xu, D. R. Powell, and G. B. Richter-Addo, (2,3,5,6-tetrafluorophenolato)[5,10,15,20-Tetrakis(4-methoxyphenyl)prophyrinato]iron(III) cyclohexane monosolvate. Acta Cryst., 2013, E69, m530-m531. doi: 10.1107/S1600536813021880,
    10042.

  6. N. Xu, D. R. Powell, and G. B. Richter-Addo, (2,3,5,6-Tetraphenolato-κO)-(5,10,15,20-tetraphenylporphyrinato)- iron(III). Acta Cryst., 2013, E69, m564-m565. doi: 10.1107/S160053681302607X,
    10039.

  7. K. J. Scheetz, A. D. Spaeth, A. S. Vorushilov, D. R. Powell, V. W. Day, and M. V. Barybin, The 2,6-dimercaptoazulene motif: efficient synthesis and completely regioselective metallation of its 6-mercapto terminus. Chem. Science, 2013, 4, 4267-4272. doi: 10.1039/c3sc51773j,
    11037, 12027.

  8. S. A. Haque, D. Cooper, D. R. Powell, R. Venkatraman, and Md. A. Hossain, Tris(3-ethylthiophene)ammonium hexafluoride trihydrate methanol trisolvate. Acta Cryst., 2013, E69, o1739-o1740. doi: 10.1107/S1600536813029565,
    12125.

  9. R. A. Adrian, B. Quintela, D. R. Powell, S. W. Ng, and E. R. T. Teikink, cis-(2,2’-Bipyridine-κN1)palladium(II) bis(hexafluoridophosphate). Acta Cryst., 2013, E68, m1390-m1391. doi: 10.1107/S1600536812043036,
    10005.

  10. R. Wehmschulte, M. Selah, and D. Powell, CO2 Activation with bulky neutral and cationic phenoxalanes. Organomet., 2013, 32, 6812-6819. doi: 10.1021/om400628z,
    13084, 13059.

  11. R. P. Houser, Z. Wang, D. R. Powell, and T. J. Hubin, Copper(I) and copper(II) complexes with pyrazine-containing pyridylalkylamide ligands N-(pyridin-2-ylmethyl)pyrazine-2-carboxamide and N-(2-(pyridine-2-yl)ethyl)pyrazine-2-carboxamide. J. Coord. Chem., 2013, 4080-4092. doi: 10.1080/00958972.2013.860451,
    08090, 08073, 08105, 09057, 08089.

  12. A. Pramanik, D. R. Powell, B. M. Wong, and Md. A. Hossain, Spectroscopic, structural, and theoretical studies of halide complexes with a urea-based tripodal receptor. Condensed Matter(arXiv.org 1312.6306v1), 2013. 10078, 10051, 10059, 10073.

2012

  1. A. Pramanik, T. H. Russ, D. R. Powell, and Md. A. Hossain, 3,3'-Bis(quinolin-8-yl)-1,1'-[4,4'-methylenebis(4,1-phenylene)]diurea. Acta Cryst., 2012, E68, o158-o159. doi: 10.1107/S1600536811053220,
    11031.

  2. N. Xu, J. Lilly, D. R. Powell, and G. B. Richter-Addo, Synthesis, characterization and infrared reflectance spectroelectrochemistry of organoruthenium nitrosyl porphyrins. Organomet., 2012, 31, 827-834. doi: 10.1021/om200601g,
    gr4050.

  3. A. Pramanik, D. R. Powell, B. M. Wong, and Md. A. Hossain. Spectroscopic, structural, and theoretical studies of halide complexes with a urea-based tripodal receptor. Inorg. Chem., 2012, 51, 4274-4284. doi: 10.1021/ic202747q,
    10078, 10051, 10059, and 10073.

  4. T. Nguyen, C. M. Buckley, T. K. Ellis, G. L. N. Smith, D. R. Powell, and R. W. Taylor, Synthesis, NMR studies and crystal structure of cryptand 4,7,10,16,21-pentaoxa-1,13-diazabicyclo[11.5.5]tricosane, H(3.1.1) · (H2O)3 · Cl. J. Chem. Cryst., 2012, 42, 573-577. doi: 10.1007/s10870-012-0281-1,
    07036.

  5. X. Wang, J. You, J. B. King, D. R. Powell, and R. H. Cichewicz, Waikialoid A suppresses hyphal morphogenesis and inhibits biofilm development in pathogenic Candida albicans. J. Nat. Prod., 2012, 75, 707-715. doi: 10.1021/np2009994,
    11072.

  6. M. A. El-Attar, N. Xu, D. Awasabisah, D. R. Powell, and G. B. Richter-Addo, Cyclic voltammetric and fiber-optic infrared spectroelectrochemical studies of six-coordinate (por)Ru(NO)Cl compounds (por = porphyrinato dianion). Polyhedron, 2012, 40, 105-109. doi: 10.1021/np2009994,
    10081.

  7. B. E. Rios, P. Sood, Y. Klichko, M. Houtha, D. Powell, and M. Lattman. A bisphosphonite calix[5]arene ligand that stabilizes η6 arene coordination to palladium. Dalton Transactions, 2012, 41, 6677-6682. doi: 10.1039/C2DT30491K,
    10061, 11005, and 09088.

  8. A. L. Gerea, K. M. Branscum, J. B. King, J. You, D. R. Powell, A. N. Miller, J. R. Spear, and R. H. Cichewicz, Secondary metabolites produced by fungi derived from a microbial mat encountered in an iron-rich natural spring. Tetrahedron Lett., 2012, 53, 4202-4205. doi: 10.1016/j.tetlet.2012.05.156,
    11035.

  9. M. A. Saeed, A. Pramanik, B. M. Wong, S. A. Haque, D. R. Powell, D. K. Chand, and Md. A. Hossain, Self-assembly of ordered water tetramers in an encapsulated [Br(H2O)12] – complex. Chem. Comm., 2012, 48, 8631-8633. doi: 10.1039/c2cc30767g,
    10069.

  10. Md. A. Hossain, M. Saeed, A. Pramanik, B. Wong, S. Haque, and D. R. Powell, A self-assembled fluoride-water cyclic cluster of [F(H2O)]44- in a molecular box. J. Am. Chem. Soc., 2012, 134, 11892-11895. doi: 10.1021/ja3043855,
    11106.

  11. B. Manindranath, A. Curtiss, G. Musie, and D. Powell, New dinuclear cobalt(II) and zinc(II) complexes of a carboxylate rich dinucleating ligand: synthesis, structure, spectroscopic characterization and their interactions with sugars. Inorg. Chem., 2012, 51, 12093-12101. doi: 10.1021/ic3004432.

  12. R. A. Adrian, B. Quintela, D. R. Powell, S. W. Ng, and E. R. T. Tiekink, cis-(2,2’Bipyridine-κ2N,N’)bis-(isonicotinamide-κN1)palladium(II)bis(hexafluorophosphate)., Acta Cryst., 2012, E68, m1390-m1391. doi: 10.1107/S1600536812043036,
    10005.

  13. A. John and K. M. Nicholas, Copper-mediated multiple C-H functionalization of aromatic N-heterocycles: bromoamination of indoles and pyrroles. Organomet., 2012, 31, 7914-7920. doi: 10.1021/om300553b,
    12009.

  14. J. Volkman and K. M. Nicholas, A synthetic quest for tris(imidazolyl)carboxylates and their metal complexes: active site models for quercetin 2,3-dioxygenases and other non-heme redox metalloenzymes. Tetrahed., 2012, 68, 3368-3376. doi: 10.1016/j.tet.2012.02.042,
    07056, 09042.

2011

  1. C. Li, N. Xu, D. R. Powell, and G. B. Richter-Addo, Chlorodinitrosyl[meso-5,10,15,20-tetrakis(p-tolyl)porphyrinato-κ4N,N',N'',N'''](trifluoromethanesulfonato-κO)osmium(II) tetrahydrofuran tetrasolvate. Acta. Cryst., 2011, E67, m224. doi: 10.1107/S1600536811001401,
    gr63.

  2. M. W. Jones, D. R. Powell, and G. B. Richter-Addo, Dinitrosylbis[tris(4-chlorophenyl)phosphane]iron. Acta Cryst., 2011, E67, m247. doi: 10.1107/S1600536811001693,
    08047.

  3. M. Khandelwal, D. R. Powell, and R. J. Wehmschulte, Low-coordinate aluminum amides from silylanilines and alkylalanes. Eur. J. Inorg. Chem., 2011, 521-526. doi: 10.1002/ejic.201000869,
    09059, and 09071a.

  4. N. Xu, D. R. Powell, and G. B. Richter-Addo, [5,10,15,20-tetrakis(4-methoxyphenyl)porphyrinato- κ4N,N',N'',N'''](trifluoromethanesulfonato-κO)iron(III). Acta Cryst., 2011, E67, m268. doi: 10.1107/S1600536811001395,
    10072.

  5. M. W. Jones, D. R. Powell, and G. B. Richter-Addo, Dinitrosylbis[tris(4-methylphenyl)phosphane]iron. Acta Cryst., 2011, E67, m331. doi: 10.1107/S160053681100465X,
    08056.

  6. M. W. Jones, D. R. Powell, and G. B. Richter-Addo, Dinitrosylbis[tris(4-fluorophenyl)phosphane]iron chloroform monosolvate. Acta Cryst., 2011, E67, m332. doi: 10.1107/S1600536811004673,
    07063.

  7. P. M. Joyner, A. L. Waters, R. B. Williams, D. R. Powell, N. B. Janakiram, C. V. Rao, and R. H. Cichewicz, Briarane diterpenes diminish COX-2 expression in human colon adenocarcinoma cells. J. Nat. Prod., 2011, 74, 857-861. doi: 10.1021/np100775a,
    08101.

  8. A. Pramanik, B. Thompson, T. Hayes, K. Tucker, D. R. Powell, P. Bonnessen, E. D. Ellis, K. S. Lee, H. Yu, and Md. A. Hossain, Seven-coordinate anion complex with a tren-based urea: binding discrepancy of hydrogen sulfate in solid and solution states. Org. and Biomol. Chem., 2011, 9, 4444-4447. doi: 10.1039/c1ob05052d,
    10078.

  9. T. Klis, D. R. Powell, L. Wojtas, and R. J. Wehmschulte, Synthesis and characterization of bulky cationic arylalkylaluminum compounds. Organomet., 2011, 30, 2563-2570. doi: 10.1021/om200120y,
    08066, 08122, 09003, 10008, 10030, 10053.

  10. T. K. Ellis, S. M. Clayton Jr., D. R. Powell, and R. W. Taylor, 21-(4-Methylphenylsunfonyl)-4,7,13,16-tetraoxa-1,10,21-triazabicyclo[8.8.5]tricosane-19,23-dione: an N-tosylated macrobicyclic dilactam. Acta Cryst., 2011, E67, o1533. doi: 10.1107/S1600536811018873,
    08112.

  11. N. Xu, D. R. Powell, and G. B. Richter-Addo, Nitrosylation in a crystal: remarkable movements of iron porphyrins in a crystal upon binding nitric oxide. Angew. Chem. Int. Ed., 2011, 50, 9694-9696. doi: 10.1002/anie.201103329,
    11008, 07099.

  12. R. Shakya, Z. Wang, D. R. Powell, and R. P. Houser, Tetradentate vs. pentadentate coordination in copper(II) complexes of pyridylbis(aminophenol) ligands depends on nucleophilicity of phenol donors. Inorg. Chem., 2011, 50, 11581-11591. doi: 10.1021/ic201536c,
    09041, 09017, 08059, 09015, 09016, 09060.

2010

  1. Z. Wang, D. R. Powell, and R. P. Houser, Bis[2-hydroxy-N-(2-(pyridin-2-yl)ethyl)benzamide]copper(I) tetrafluoroborate. Acta Cryst. 2010, E66, m173. doi: 10.1107/S1600536810001364,
    06240.

  2. L. Yang, D. R. Powell, and R. P. Houser, Copper(II) coordination chemistry of 2-methyl-2-(2-pyridyl)-1,3-propan-diol: syntheses and structures of mono-, di-, and tricopper complexes. Polyhedron, 2010, 29, 1946-1955. doi: 10.1016/j.poly.2010.03.008,
    06235, 06234, 07010, 07001, 07011, 06233.

  3. W. A. Quinn, M. A. Saeed, D. R. Powell, and Md. A. Hossain, An anthracene-based tripodal chemosensor for anion sensing. J. Env. Res. and Publ. Health, 2010, 7, 2057-2070. doi: 10.3390/ijerph7052057,
    09045.

  4. X. Wang, J. G. Sena Filho, A. R. Hoover, J. B. King, T. K. Ellis, D. R. Powell, and R. H. Cichewicz, Chemical epigenetics alters the secondary metabolite composition of guttate excreted by an Atlantic-forest-soil-derived Penicillium citreonigrum. J. Nat. Prod., 2010, 73, 942-948. doi: 10.1021/np100142h,
    09081.

  5. N. Xu, L. E. Goodrich, N. Lehnert, D. R. Powell, and G. B. Richter-Addo, Five- and six coordinate adducts of nitrosamines with ferric porphyrins: structural models for the type II interactions of nitrosamines with ferric cytochrome P450. Inorg. Chem., 2010, 49, 4405-4419. doi: 10.1021/ic901751z,
    09032, gr4144, gr5042, gr4124.

  6. M. A. Saeed, D. R. Powell, F. R. Fronczek, and Md. A. Hossain, Cooperative NH…O and CH…O interactions for sulfate encapsulation in a thiophene-based macrocycle. Tetrahed. Let., 2010, 52, 4233-4236. doi: 10.1016/j.tetlet.2010.06.036,
    10020.

  7. M. Bera, G. T. Musie, and D. R. Powell, Synthesis and characterization of a novel cyclic tetranuclear CoII4 cluster consisting of a quadrilateral core. Inorg. Chem. Comm., 2010, 13, 1029-1031. doi: 10.1016/j.inoche.2010.06.002,
    06226.

  8. J. S. Mendy, M. A. Saeed, F. R. Fronczek, D. R. Powell, and Md. A. Hossain, Anion recognition and sensing by a new macrocyclic dinuclear copper(II) complex: a selective receptor for iodide. Inorg. Chem., 2010, 49, 7223-7225. doi: 10.1021/ic100686m,
    10012.

  9. M. Szostak, L. Yao, V. Day, D. Powell, and J. Aubé, Structural characterization of N-protonated amides: Regioselective N-activation of medium-bridged twisted lactams. J. Am. Chem. Soc., 2010, 132, 8836-8837. doi: 10.1021/ja101690u.

  10. M. A. Saeed, D. R. Powell, and Md. Alamgir Hossain, Fluorescent detection of phosphate anion by a highly selective chemosensor in water. Tetrahed. Let., 2010, 51, 4904-4907. doi: 10.1016/j.tetlet.2010.07.078,
    10032.

  11. L. Cheng, N. Xu, D. R. Powell, and G. B. Richter-Addo, (Ethanolato)[2,3,7,8,12,13,17,18-octaethylporphyrinato(2-)]iron(III). Acta Cryst., 2010, E66, m1458. doi: 10.1107/S1600536810041024,
    gr933.

  12. Md. A. Hossain, M. A. Saeed, G. Gryn´ova, D. R. Powell, and J. Leszczynski, Unusual complexes of trapped methanol with azacryptands. Cryst. Eng. Comm., 2010, 12, 4042-4044. doi: 10.1039/c0ce00162g,
    09077, 09058.

2009

  1. Z. N. Zahran, N. Xu, D. R. Powell, and G. B. Richter-Addo, Bis(1-methyl-1-H-imidazole-κN3) [N,N’-o-phenyl-enebis(pyridine-2-carboxamido)-κ4N]manganese(II). Acta Cryst., 2009, E65, m75. doi: 10.1107/S1600536808041640,
    06004.

  2. N. Xu, A. Campbell, D. R. Powell, J. Khandogin, and G. B. Richter-Addo, A stable hyponitrite iron porphyrin. J. Am. Chem. Soc., 2009, 131, 2460-2461. doi: 10.1021/ja809781r,
    08051.

  3. U. Pal Chaudhuri, D. R. Powell, and R. P. Houser, New examples of μ-η2η2disulfido dicopper (II,II) complexes with bis(tetramethylquanidine) ligands. Inorg. Chim. Acta, 2009, 362, 2371-2378. doi: 10.1016/j.ica.2008.10.030,
    06245, 06239, 07005, 07017.

  4. R. Shakya, A. Jozwiuk, D. R. Powell, and R. P. Houser, Synthesis and characterization of polynuclear copper(II) complexes with pyridylbis(phenol) ligands. Inorg. Chem., 2009, 48, 4083-4088. doi: 10.1021/ic9000768,
    08034, 07112, 08038.

  5. L. Yang, Z. Wang, D. R. Powell, and R. P. Houser, A [Cu16 S10]4- cluster containing μ3- and μ4-sulfido ligands. Dalton Trans., 2009, 4439-4441. doi: 10.1039/b905375a,
    07020, 07097.

  6. Z. Wang, D. R. Powell, and R. P. Houser, Syntheses and structures of a phenoxide-bridged copper(II) distorted cubane and related complexes with 2-hydroxy-N-(2-pyridylalkyl)benzamide ligands. Inorg. Chem. Comm., 2009, 12, 511-514. doi: 10.1016/j.inoche.2009.04.007,
    06161, 06152, 06125.

  7. B. Buster, A. A. Diaz, T. Graham, R. Khan, M. A. Khan, D. R. Powell, and R. J. Wehmschulte, m-Terphenylphosphines: synthesis, structures and coordination properties. Inorg. Chim. Acta, 2009, 362, 3465-3474. doi: 10.1016/j.ica.2009.03.034,
    rw339, rw340a, rw140, rw3122m, rw391, rw162, rw4157, rw3115.

  8. M. Bera, G. T. Musie, and D. R. Powell, Synthesis and characterization of new mono- and heptazinc complexes with unusual amide coordination modes. Inorg. Chem., 2009, 48, 4625-4627. doi: 10.1021/ic900373f,
    07002, 06198.

  9. G. L. N. Smith, T. Nguyen, D. R. Powell, and R. W. Taylor, 1,15:21,35-Bis(oxydiethylene)- 5,8,11,18,25,28,31,38-octaoxa-1,15,21,35- tetraazacyclotetradecane-16,20,36,40-tetraone-benzene(1/2): a macrotricyclic tetralactam. Acta Cryst., 2009, E65, o1927. doi: 10.1107/S1600536809026531,
    06134.

  10. P. Lagisetty D. R. Powell, and V. Awasthi, Synthesis and structural determination of 3,5-bis(fluorobenzylidene)-4-piperidone analogs of circumin. J. Mol. Struct., 2009, 936, 23-28. doi: 10.1016/j.molstruc.2009.07.016,
    08096, 09035.

  11. B. Portis, K.R. Dey, M.A. Saeed, D.R. Powell, and Md.A. Hossain, 1,3-Phenylenediammonium dinitrate. Acta Cryst., 2009, E65, o2601. doi: 10.1107/S1600536809039166,
    09074.

  12. G. A. Giffin, S. Boesch, D. N. Bopege, D. R. Powell, R. A. Wheeler, and R. Frech Vibrational spectroscopy of secondary amine salts: 1. Assignment of (NH2)+ stretching frequencies in crystalline phases. J. Phys. Chem. B, 2009, 113, 15914-15920. doi: 10.1021/jp9043804,
    08079, 07079, 08028, 08029.

  13. A. Penoni, G. Palmisano, Z. Yi-Lei, K. N. Houk, J. Volkman, and K. M. Nicholas,On the mechanism of nitrosoarene-alkyne cycloaddition. J. Am. Chem. Soc., 2009, 131, 653-661. doi: 10.1021/ja806715u,
    kn4145.

  14. V. A. Soloshonok, T. K. Ellis, H. Ueki, and T. Ono, Resolution/deracemization of chiral α-amino acids using resolving reagents with flexible stereogenic centers. J. Am. Chem. Soc., 2009, 131, 7208-7209. doi: 10.1021/ja9026055,
    06015, 06017, 06032, 06006, 06016, 06014, 06009.

  15. H. Ueki and V. A. Soloshonok, New sterically driven mode for generation of helical chirality. Org. Lett., 2009, 11, 1797-1800. doi: 10.1021/ol900357d,
    06113, 06173, 06141, 06160.

  16. R. Shakya, D. R. Powell, and R. P. Houser, Unsupported μ-oxo- and μ-hydroxo-iron(III) dimers and mononuclear iron(III) complexes with pyridylbis(aminophenol) ligands. Eur. J. Inorg. Chem., 2009, 35, 5319-5327. doi: 10.1002/ejic.200900794,
    08045, 08064, 08082, 08081.

2008

  1. A. B. S. Curtiss, G. T. Musie, and D. R. Powell, Bis(tetramethylammonium) tetrachlorozincate(II), Phase VI. Acta Cryst., 2008, E, m183. doi: 10.1107/S1600536807065828,
    07088.

  2. C. Burba, N. Rocher, R. Frech, and D. Powell, Cation-anion interaction in 1-ethyl-3-methylimidazolium trifluoromethanesulfonate-based ionic liquid electrolytes. J. Phys. Chem. B, 2008, 112, 2991-2995. doi: 10.1021/jp076577l,
    rf5088.

  3. M. Bera, G. T. Musie, and D. R. Powell, Zinc(II) mediated cyclization and complexation of an unsymmetrical dicarboxyamine ligand: synthesis, spectral and crystal structures characterizations. Inorg. Chem. Comm., 2008, 11, 293-299. doi: 10.1016/j.inoche.2007.12.019

  4. X. Li, M. Bera, G. T. Musie, and D. R. Powell, Copper(II) promoted imidazolidine ring formation and complexation: A unique reaction course. Inorg. Chim. Acta, 2008, 361, 1965-1972. doi: 10.1016/j.ica.2007.10.005,
    06217.

  5. A. B. S. Curtiss, M. Bera, G. T. Musie, and D. R. Powell, Synthesis and characterization of mono- and μ6-sulfato hexanuclear zinc complexes of a new symmetric dinucleating ligand. Dalton Trans., 2008, 2717-2724. doi: 10.1039/b719646f,
    07012, 06197.

  6. M. Bera, A. B. S. Curtiss, G. T. Musie, D. R. Powell, A new self-assembled μ6-sulfato hexanulcear cobalt(II) complex of a symmetric dinucleating ligand: synthesis and x-ray structural analysis. Inorg. Chem. Comm., 2008, 11, 1033-1036. doi: 10.1016/j.inoche.2008.05.029

  7. G. L. N. Smith, Y. Lei, D. R. Powell, and R. W. Taylor, 6,7,9,10-Tetrahydro-16,22-ethanooxy-ethano-5,8,11,19-tetraoxa-16,22-diazadibenzo[h,q]cyclooctadecine-17,21-dione: a benzylannelated macrobicyclic diamide. Acta Cryst., 2008, E64, o2003. doi: 10.1107/S1600536808030067,
    rt5063.

  8. S. M. Carter, N. Xu, M. A. Khan, D. R. Powell, and G. B. Richter-Addo, (Nitrato-κO)oxido(5,10,15,20-tetraphenylporphyrinato-κ4N)molybdenum(V) benzene solvate. Acta Cryst., 2008, E64, m1337. doi: 10.1107/S1600536808030705,
    gr3179.

  9. N. Xu, D. R. Powell, and G. B. Richter-Addo, (2,3,7,8,12,13,17,18-Octaethylporphinato)(trifluoromethanesulfonato)iron(III). Acta Cryst., 2008, E64, m1366. doi: 10.1107/S1600536808031504,
    08005.

  10. L. Zhou and Kenneth M. Nicholas, Imidazole substituent effects on oxidative reactivity of tripodal(imid)2(thioether)CuI complexes. Inorg. Chem., 2008, 47, 4356-4367. doi: 10.1021/ic800007t,
    07045, 07087, 07102.

  11. A. A. Diaz, B. Buster, D. Schomisch, M. A. Khan, J. C. Baum, and R. J. Wehmschulte, Size matters: room temperature P-C bond formation through C-H activation in m-terphenyldiiodophosphines. Inorg. Chem., 2008, 47, 2858-2863. doi: 10.1021/ic702105s,
    rw4153.

2007

  1. V. A. Soloshonok and H. Ueki, Design, synthesis, and characterization of binuclear Ni(II) complexes with inherent helical chirality. J. Am. Chem. Soc., 2007, 129, 2426-2427. doi: 10.1021/ja0671215,
    vs353, vs5104, vs335, vs368, vs360, vs342.

  2. V. A. Soloshonok, H. Ueki, J. L. Moore, T. K. Ellis, Design and synthesis of molecules with switchable chirality via formation and cleavage of metal-ligand coordination bonds. J. Am. Chem. Soc., 2007, 129, 3512-3513. doi: 10.1021/ja067995r,
    vs4174, vs5159, 06169.

  3. L. Yang, D. R. Powell, and R. P. Houser, Structural variation in copper(I) complexes with pyridylmethylamide ligands: structural analysis with a new four-coordinate geometry index τ4. Dalton Trans., 2007, 955-964. doi: 10.1039/b617136b,
    bh5031, bh5014, bh5037, bh5046.

  4. G. L. N. Smith, N. M. Rocher, D. R. Powell, and R. W. Taylor, 6,7,9,10,17,18,20,21,28,29,31,32,39,40,42,43-hexadecahydro-16,44:22,38-di(ethanooxyethano)- 5,8,11,19,27,30,33,41-octaoxa-16,22,38,44-tetraazatetrabenzo[h,q,z,i1]cyclohexatriacontine: a benzoannelated tricyclic cryptand. Acta Cryst., 2007, E63, o1253-o1255. doi: 10.1107/S160053680700640x,
    rt4067.

  5. L. Zhou, D. Powell, and K. M. Nicholas, Copper(I) complexes of tripodal tris(imidazolyl) ligands: potential mimics of the Cu(A) site of hydroxylase enzymes. Inorg. Chem., 2007, 46, 2316-2321. doi: 10.1021/ic061985,
    06157, 06106, 06131, 06107, 06150.

  6. G. L. N. Smith, D. R. Powell, M. A. Khan, and R. W. Taylor, Three related benzoannelated diaxapolyether macrocycles: effects of macrocycle ring size and position of benzo groups on hydrogen bonding of the amine protons. Acta Cryst., 2007, C63, o378-o381. doi: 10.1107/S0108270107022160,
    rt4067, rt351, rt5179.

  7. J. D. Young, M. A. Khan, D. R. Powell, and R. J. Wehmschulte, m-Terphenylaluminum and -gallium compounds: synthesis and conversion into low-coordinate organogallium cations. Eur. J. of Inorg. Chem., 2007, 12, 1671-1681. doi: 10.1002/ejic.200601049,
    rw377, rw2118, rw301, rw356, rw5005, rw5010.

  8. U. Pal Chaudhuri, L. R. Whiteaker, A. Mondal, E. L. Klein, D. R. Powell, and R. P. Houser, Substituted pyridylmethylamide ligands and their zinc complexes. Inorg. Chim. Acta, 2007, 360, 3610-3618. doi: 10.1016/j.ica.2007.05.003,
    bh5013, bh380, bh5024.

  9. L. Yang, D. R. Powell, E. L. Klein, A. Grohmann, and R. P. Houser, Delocalized mixed-valence bi- and trinuclear complexes with short Cu-Cu bonds. Inorg. Chem., 2007, 46, 6831-6833. doi: 10.1021/ic7010474,
    bh4107, 06076, 06103.

  10. L. Zhou, D. Powell, K. M. Nicholas, Tripodal bis(imidazole) thioether copper(I) complexes: mimics of the CuM site of copper hydroxylase enzymes. Inorg. Chem., 2007, 46, 7789-7799. doi: 10.1021/ic700447k,
    06201, 06073, 06170, kn5093, kn5097, kn5162.

  11. R. A. Adrian, S. Zhu, G. A. Broker, E. R. T. Tiekink, D. R. Powell, and J. A. Walmsley, Dinuclear palladium(II) complexes with bridging acetamide ligands. Dalton Trans., 2007, 4399-4404. doi: 10.1039/b707878a,
    06204, 06207.

  12. U. Pal Chaudhuri, L. Yang, L. R. Whiteaker, A. Mondal, M. R. Fultz, D. R. Powell, and R. P. Houser, Neutral pyridylmethylamide ligands and their mononuclear copper(II) complexes. Polyhedron, 2007, 26, 5420-5431. doi: 10.1016/j.poly.2007.08.004,
    bh5027, bh3100, bh5115, 06154, bh5078, bh5077.

  13. R. Bhuyan and K. M. Nicholas, Efficient copper-catalyzed benzylic amidation with anhydrous chloramine-T. Org. Lett., 2007, 9, 3957-3959. doi: 10.1021/ol701544z,
    07057.

  14. R. S. Srivastava, N. R. Tarver, and K. M. Nicholas, Mechanistic studies of copper(I)-catalyzed allylic amination. J. Am. Chem. Soc., 2007, 129, 15250-15258. doi: 10.1021/ja0751072,
    kn4115.

  15. V. A. Soloshonok, H. Ueki, M. Yasumoto, S. Mekala, J. S. Hirschi, and D. A. Singleton, Phenomenon of optical self-purification of chiral non-racemic compounds. J. Am. Chem. Soc., 2007, 129, 12112-12113. doi: 10.1021/ja065603a,
    06003, 06011.

2006

  1. S. M. Carter, J. Lee, C. A. Hixson, D. R. Powell, R. A. Wheeler, M. J. Shaw, and G. Richter-Addo, Fiber-optic infrared reflectance spectroelectrochemical studies of osmium and ruthenium nitrosyl porphyrins containing alkoxide and thiolate ligands. Dalton Trans., 2006, 1338-1346. doi: 10.1039/b510717b,
    gr279.

  2. Z. N. Zahran, M. J. Shaw, M. A. Khan, and G. B. Richter-Addo, Fiber-optic infrared spectroelectrochemical studies of six-coordinate manganese nitrosyl porphyrins in nonaqueous media. Inorg. Chem., 2006, 45, 2661-2668. doi: 10.1021/ic051190n,
    gr4167.

  3. A. A. Diaz, J. D. Young, M. A. Khan, R. J. Wehmschulte, Facile synthesis of unsymmetrical 9-phospha- and 9-arsafluorenes. Inorg. Chem., 2006, 45, 5568-5575. doi: 10.1021/ic051976l,
    rw238, rw3253, rw314.

  4. N. Xu, D. R. Powell, L. Cheng, and G. B. Richter-Addo, The first structurally characterized nitrosyl heme model complex. Chem. Comm., 2006, 2030-2032. doi: 10.1039/b602611g,
    gr5135, gr5129.

  5. L. Zhou, D. Powell, and K. M. Nicholas, Tripodal bis(imidazole)-thioether copper(I) complexes: mimics of the Cu(B) site of hydroxylase enzymes. Inorg. Chem., 2006, 45, 3840-3842. doi: 10.1021/ic052121b,
    kn5097, kn5093, 06073, kn5162.

  6. L. R. Whiteaker, U. Pal Chaudhuri, D. R. Powell, and R. P. Houser, 2-Phenyl-N-(2-pyridylmethyl)acetamide. Acta Cryst., 2006, E62, o3337-o3338. doi: 10.1107/S1600536806026092,
    bh5051.

  7. L. R. Whiteaker, U. Pal Chaudhuri, D. R. Powell, and R. P. Houser, 2,2,2-Triphenyl-N-(2-pyridylmethyl)acetamide. Acta Cryst., 2006, E62, o3339-o3340. doi: 10.1107/S1600536806026092,
    bh5034.

  8. Z. N. Zahran, D. R. Powell, and G. B. Richter-Addo, Synthesis, molecular structure, and redox behavior of an oxo-bridged dimer of a ruthenium-bpb nitrosyl. Inorg. Chim. Acta, 2006, 359, 3084-3088. doi: 10.1016/j.ica.2006.02.013,
    gr5067.

  9. N. M. Rocher, R. Frech, and D. R. Powell, Crystalline and solution phases of N,N-dimethylenediamine complexed with lithium triflate and sodium triflate: intramolecular and intermolecular hydrogen bonding. J. Phys. Chem. B, 2006, 110, 15117-15126. doi: 10.1021/jp061143w,
    rf4163, rf5069.

  10. G. L. Smith, S. S. Alguindigue, M. A. Khan, D. R. Powell, and R. W. Taylor, 1H and 13C NMR assignments and x-ray structures for three monocyclic benzo-annelated dilactam polyethers. Mag. Res. In Chem., 2006, 44, 901-904. doi: 10.1002/mrc.1868,
    rt396, rt4016.

  11. L. Yang and R. P. Houser, Copper(I) coordination chemistry of (pyridylmethyl)amide ligands. Inorg. Chem., 2006, 45, 9416-9422. doi: 10.1021/ic0612810,
    bh4120, bh5050, bh5060, bh5106.

  12. U. P. Chaudhuri, L. R. Whiteaker, L. Yang, and R. P. Houser, Multinuclear copper complexes of pyridylmethylamide ligands. Dalton Trans., 2006, 1902-1908. doi: 10.1039/b513763b,
    bh4154, bh4177, bh4175.

2005

  1. R. S. Srivastava, M. A. Khan, and K. M. Nicholas, Nitrosarene-Cu(II) complexes are intermediates in copper-catalyzed allylic amination. J. Am. Chem. Soc., 2005, 127, 7278-7279. doi: 10.1021/ja044093m,
    kn4115.

  2. N. Xu, J. Lee, D. R. Powell, and G. B. Richter-Addo, Synthesis, Characterization, and redox behavior of six-coordinate (por)Ru(NO)Cl compounds (por = prophyrinato dianion). Inorg. Chim. Acta, 2005, 358, 2855-2860. doi: 10.1016/j.ica.2004.06.031,
    gr71.

  3. Y. G. Andreev, V. Seneviratne, M. Khan, W. A. Henderson, R. E. Frech, and P. G. Bruce, Crystal Structures of Poly(Ethylene Oxide)3:LiBF4 and (Diglyme)n:LiBF4 (n = 1,2). Chem. Mater., 2005, 17, 767-772. doi: 10.1021/cm048310u,
    rf3182, rf165.

  4. W. A. Henderson, F. McKenna, M. A. Khan, N. R. Brooks, V. G. Young, Jr., and R. Frech, Glyme-lithium bis(trifluoromethanesulfonyl)imide and glyme-lithium bis(perfluoroehtanesulfonyl)imide phase behaviour and solvate structures. Chem. Mater., 2005, 17, 2284-2289. doi: 10.1021/cm047881j,
    rf2016, rf229.

  5. N. M. Rocher, R. Frech, and M. Kahn, Hydrogen bonding and the inductive effect in crystalline and solution phases of hexylamine:LiCF3SO3 and dipropylamine:LiCF3SO3: application to branched poly(ethylimine). J. Phys. Chem. B., 2005, 109, 20697-20706. doi: 10.1021/jp052965g,
    rf4003, rf3187.

  6. J. T. Michels, B. G. O'Malley, E. L. Klein, L. Yang, A. Grohmann, and R. P. Houser, 2-Methyl-N,N'-bis[2-(methylsulfanyl)ethyl]-2-(2-pyridyl)-N,N'- ditosylpropane-1,3-diamine. Acta Cryst., 2005, E61, O3834-o3836. doi: 10.1107/S1600536805033726,
    bh5043.

  7. J. Yi, M. A. Khan, J. Lee, and G. B. Richter-Addo, The solid-state molecular structure of the S-nitroso derivative of L-cysteine ethyl ester hydrochloride. Nitric Oxide, 2005, 12, 261-266. doi: 10.1016/j.niox.2005.03.005,
    gr4014.

  8. R. P. Houser and D. Cheng, Diaquatetrakis(1H-imidazole)copper(II) bis[tris(1H-imidazole)(pyridine-2,4,6-tricarboxylato-κ3N,O2:O6)cuprate(II)] dihydrate. Acta Cryst., 2005, E61, m1649-m1651. doi: 10.1107/S1600536805023780,
    bh287.

  9. J. C. Stephens, M. A. Khan, K. M. Nicholas, Cyclopentadienyliron complexes of nitrosobenzene: preparation, structure and reactivity with olefins. J. Organomet. Chem., 2005, 690, 4727-4733. doi: 10.1016/j.jorganchem.2005.06.045,
    kn3151, kn4012.

2004

  1. D. Cheng, M. A. Khan, and R. P. Houser, Structural variability of cobalt(II) coordination polymers: three polymorphs of Co3(TMA)2 [TMS = Trimesate, C6H3(COO)33-]. Cryst. Growth Des., 2004, 4, 599-604. doi: 10.1021/cg0342415,
    bh244, bh246.

  2. E. L. Klein, M. A. Khan, and R. P. Houser, Synthesis, characterization, and reactivity of new copper(II) complexes of 2-methylthio-N-(2-pyridylmethyl)acetamide. Inorg. Chem., 2004, 43, 7272-7274. doi: 10.1021/ic049136e,
    bh321, bh301.

  3. J. D. Young, M. A. Khan, and R. J. Wehmschulte, Synthesis and characterization of an almost linear, quasi-two-coordinate, cationic diorganoaluminum compound. Organomet., 2004, 23, 1965-1967. doi: 10.1021/om0341707,
    rw372, rw387.

  4. R. A. Sanders, R. Frech, and M. A. Khan, Characterization of the crystalline and solution phases in N,N'-dimethylethylenediamine (DMEDA) with sodium triflate (NaCF3SO3). J. Phys. Chem. B, 2004, 108, 2186-2191. doi: 10.1021/jp030924j,
    rf256.

  5. J. Volkman and K. M. Nicholas, Efficient synthesis of tris(4-imidazolyl)methanol Derivatives. Org. Lett., 2004, 6, 4301-4302. doi: 10.1021/ol048214z,
    kn4080.

  6. Y. A. Wanniarachchi, M. A. Khan, and L. M. Slaughter, An unusally static, sterically hindered silver bis(N-heterocyclic carbene) complex and its use in transmetalation. Organomet., 2004, 23, 5881-5884. doi: 10.1021/om0493098,
    ls4046, ls4142.

  7. A. Mondal, Y. Li, M. A. Khan, J. H. Ross, Jr., R. P. Houser, Supramolecular cooper hydroxide tennis balls: self-assembly, structures, and magnetic properties of octanuclear [Cu8L8(OH)4]4+ clusters (HL = N(2-Pyridylmethyl)acetamide). Inorg. Chem., 2004, 43, 7075-7082. doi: 10.1021/ic0493292,
    bh373, bh379, bh310.

  8. V. Seneviratne, R. Frech, J. E. Furneaux, and M. Khan, Characterization of crystalline and solution phases of diglyme-LiSBF6. J. Phys. Chem. B, 2004, 108, 8124-8128. doi: 10.1021/jp031128g,
    rf055.

  9. R. A. Sanders, R. Frech, and M. A. Khan, Crystalline and solution phases in N,N,N',N',N"-pentamethyldiethylenetriamine with LiCF3SO3 and NaCF3SO3. J. Phys. Chem B, 2004, 108, 12729-12735. doi: 10.1021/jp0313526.

  10. M. T. Ashby and H. Aneetha, Reactive sulfur species: aqueous chemistry of sulfenyl thiocyanates. J. Am. Chem. Soc., 2004, 126, 10216-10217. doi: 10.1021/ja048585a,
    ma2134.

  11. Z. N. Zahran, J. Lee, S. S. Albuindigue, M. A. KHan, and G. B. Richter-Addo, Synthesis, characterization and molecular structures of six-coordinate manganese nitrosyl porphyrins. Dalton Trans., 2004, 44-50. doi: 10.1039/b308143p,
    gr367, gr315, gr3126.

  12. C. D. Sohl, J. Lee, S. S. Alguindigue, Masood A. Khan, and G. B. Richter-Addo, Synthesis and solid-state molecular structures of nitrosoalkane complexes of iron porphyrins containing methanol, pyridine, and 1-methylimidazole ligands. J. Inorg. Biochem., 2004, 98, 1238-1246. Dalton Trans., 2004, 44-50. doi: 10.1016/j.jinorgbio.2004.04.008,
    gr290, gr340, gr291.

  13. V. A. Soloshonok, H. Ueki, R. Tiwari, C. Cai, and V. J. Hruby, Virtually complete control of simple and face diastereoselectivity in the Michael addition reactions between achiral equivalents of a nucleophilic glycine and (S)- or (R)-3-(E-enoyl)-4-phenyl-1,3-oxazolidin-2-ones: practical method for preparation of β-substituted pyroglutamic acids and prolines. J. Org. Chem., 2004, 69, 4984-4990. doi: 10.1021/jo0495438,
    vs295, vs2102.

2003

  1. R. J. Wehmschulte, A. A. Diaz, and M. A. Khan, Unsymmetrical 9-borafluorenes via low-temperature C-H activation of m-terphenylboranes. Organomet., 2003, 22, 83-92. doi: 10.1021/om020611v,
    rw054, rw964, rw288.

  2. R. J. Wehmschulte, J. M. Steele, J. D. Young, and M. A. Kahn, [2,6-Mes2C6H3]2Ga+ Li[Al{OCH(CF3)2}4]2- Mes = 2,4,6-Me3C6H2): a compound containing a linear unsolvated two-coordinate gallium cation. J. Am. Chem. Soc., 2003, 125, 1470-1471. doi: 10.1021/ja029142e,
    rw276.

  3. A. Mondal, E. L. Klein, M. A. Khan, and R. P. Houser, TACN-Amino acid conjugates and their copper(II) complexes. Inorg. Chem., 2003, 42, 5462-5464. doi: 10.1021/ic034598y,
    bhpub1, bhpub2.

  4. R. A. Sanders, R. Frech, and M. A. Khan, Structural investigation of crystalline and solution phases in N,N,N',N'-tetramethylethylenediamine (TMEDA) with lithium triflate (LiCF3SO3) and sodium triflate (NaCF3SO3). J. Phys. Chem. B, 2003, 107, 8310-8315. doi: 10.1021/jp022418k,
    rf168.

  5. R. Frech, V. Seneviratne, Z. Gadjourova, and P. Bruce, Vibrational study of the crystalline phases of (CH3(OCH2CH2)2OCH3)2LISbF6 and P(EO)6LiMF6 (M = P, As, Sb). J. Phys. Chem. B, 2003, 107, 11255-11260; 2005, 109, 12650-12650. doi: 10.1021/jp030199c.

  6. R. J. Wehmschulte, J. M. Steele, and M. A. Khan, Diterphenylgallium alkyls and hydride: synthesis, characterization, and reactivity. Organomet., 2003, 22, 4678-4684. doi: 10.1021/om030318a,
    rw255, rw161, rw361, rw223, rw262, rw348.

  7. D. Cheng, M. A. Khan, and R. P. Houser, Nickel(II) and manganese(II) 1D chain coordination polymers with 1,2,4,5-benztetracarboxylato anions. Inorg. Chim. Acta, 2003, 351, 242-250. doi: 10.1016/S0020-1693(03)00122-1,
    bh178, bh216, bh147.

  8. F. A. Leal, I. M. Lorkovic, P. C. Ford, J. Lee, L. Chen, L. Torres, M. A. Khan, and G. B. Richter-Addo, Synthesis, characterization and molecular structures of nitrosyl nitrito complexes of osmium porphyrins: disproportionation of nitric oxide in its reaction with Os(P)(CO) (P = porphyrinato dianion). Can. J. Chem., 2003, 81, 872-881. doi: 10.1139/v03-091,
    gr65, gr858.

  9. K. Lake, M. Dorrell, N. Blackman, M. A. Khan, and K. M. Nicholas, Stereoselective pinacol coupling of (propargyl aldehyde)Co2(CO)6 complexes. Organomet., 2003, 22, 4260-4264. doi: 10.1021/om030392t,
    kn13, kn151.

  10. R. S. Srivastava, M. A. Khan, and K. M. Nicholas, Preparation and molecular structure of [(η5-C5H5)Fe(CO)21-PhNO2)]BF4. Inorg. Chim. Acta, 2003, 349, 269-272. doi: 10.1016/S0020-1693(03)00059-8,
    kn149.

  11. H. Ueki, T. K. Ellis, M. A. Khan, and V. A. Soloshonok, Highly diastereoselective synthesis of new, carbostyril-based type of conformationally-constrained β-phenylserines. Tetrahedron, 2003, 59, 7301-7306. doi: 10.1016/S0040-4020(03)01172-4,
    vs370a.

2002

  1. D. Cheng, M. A. Khan, and R. P. Houser, Novel sandwich coordination polymers composed of cobalt(II), 1,2,4,5-benzenetetracarboxylato ligands, and homopiperizonium cations. Cryst. Growth Des., 2002, 2, 415-420. doi: 10.1021/cg025547z,
    bh167, bh176.

  2. D. G. McGuire, M. A. Khan, and M. T. Ashby, Discontinuum between a thiolate and a thiol ligand. Inorg. Chem., 2002, 41, 2202-2208. doi: 10.1021/ic011096g,
    mta24, mta982.

  3. C. P. Rhodes, M. Khan, and R. Frech, Crystalline phases of poly(ethylene oxide) oligomers and sodium triflate: changes in coordination and conformation with chain length. J. Phys. Chem. B, 2002, 106, 10330-10337. doi: 10.1021/jp0141981,
    rf006, rf007, rf969.

  4. D. Cheng, M. A. Khan, and R. P. Houser, Copper(II) and cobalt(II) coordination polymers with bridging 1,2,4,5-benzenetetracarboxylate and Nmethylimidazole: coordination number-determined sheet topology. Dalton Trans., 2002, 4555-4560. doi: 10.1039/b207559h,
    bh141, bh144.

  5. M. C. Hodgson, M. A. Khan, and R. J. Wehmschulte, Synthesis and reactivity of amidoaluminum hydride compounds as potential precursors to AlN. J. Clust. Sci., 2002, 13, 503-520. doi: 10.1023/A:1021123628042,
    rw193, rw188, rw206.

2001

  1. L. Cheng, D. R. Powell, M. A. Khan, and G. B. Richter-Addo, Synthesis, characterization, solid-state molecular structures, and deprotonation reactions of cationic alcohol complexes of osmium nitrosyl porphyrins. Inorg. Chem., 2001, 40, 125-133. doi: 10.1021/ic0007512,
    gr45.

  2. R. J. Wehmschulte, M. A. Khan, B. Twamley, and B. Schiemenz, Synthesis and characterization of a sterically encumbered unsymmetrical 9-borafluorene, its pyridine adduct, and its dilithium salt. Organomet., 2001, 20, 844-849. doi: 10.1021/om000868y,
    rw12, rw03.

  3. U. Fooken, M. A. Khan, and R. J. Wehmschulte, Novel aluminum hydride derivatives from the reaction of H3Al·NMe3 with the cyclosilazanes [Me2SiNH]3 and [Me2SiNH]4. Inorg. Chem., 2001, 40, 1316-1322. doi: 10.1021/ic000636r,
    rw941, rw958, rw16, rw957, rw956.

  4. R. J. Wehmschulte, M. A. Khan, and S. I. Hossain, Reaction of m-terphenyldichlorophosphanes with sodium azide: synthesis and characterization of stable azidocyclophosphazenes. Inorg. Chem., 2001, 40, 2756-2762. doi: 10.1021/ic0014538,
    rw921, rw943, rw54.

  5. J. C. Stephens, M. A. Khan, and R. P. Houser, Copper(II) acetate complexes, [CuLm(OAc)2]n (L = HNPPh3), stable in the solid state either as a dimer (m = 1, n = 2), or a monomer (m = 2, n = 1). Inorg. Chem., 2001, 40, 5064-5065. doi: 10.1021/ic0155636,
    bh028, bh047.

  6. G. B. Richter-Addo, R. A. Wheeler, C. A. Hixson, L. Chen, M. A. Khan, M. K. Ellison, C. E. Schulz, and W. R. Scheidt, Unexpected nitrosyl-group bending in six-coordinate {M(NO)}6 σ-bonded aryl(iron) and (ruthenium) porphyrins. J. Am. Chem. Soc., 2001, 123, 6314-6326. doi: 10.1021/ja010276m,
    grpub1, gr844, grpub2.

  7. M. T. Ashby, S. S. Alguindigue, J. D. Schwane, and T. A. Daniel, Regular and inverse secondary kinetic enthalpy effects (KHE) for the rate of inversion of thioether and 1,1'-biisoquinoline complexes of ruthenium and osmium. Inorg. Chem., 2001, 40, 6643-6650. doi: 10.1021/ic0105720,
    mta833.

  8. D. Cheng, M. A. Khan, and R. P. Houser, Coordination polymers composed of copper(II), trimesic acid, and imidazole: 3D architecture stabilized by hydrogen bonding. Inorg. Chem., 2001, 40, 6858-6859. doi: 10.1021/ic015609v,
    bh136, bh154.

  9. G. B. Richter-Addo, R. A. Wheeler, C. A. Hixson, L. Chen, M. A. Khan, M. K. Ellison, C. E. Schulz, and W. R. Scheidt, Unexpected nitrosyl-group bending in six-coordinate {M(NO)}6 σ-Bonded Aryl(iron) and -(ruthenium) porphyrins. J. Am. Chem. Soc., 2001, 123, 6314-6326. doi: 10.1021/ja010276m,
    gr844.

  10. R. J. Wehmschulte, B. Twamley, and M. A. Khan, Synthesis and characterization of an unsolvated dimeric diarylmagnesium compound and its magnesium iodide byproducts. Inorg. Chem., 2001, 40, 6004-6008. doi: 10.1021/ic010513m,
    rw963, rw52, rw114.

  11. R. J. Wehmschulte, M. A. Khan, B. Twamley, and B. Schiemenz, Synthesis and characterization of a sterically encumbered unsymmetrical 9-borafluorene, its pyridine adduct, and its dilithium salt. Organomet., 2001, 20, 844-849. doi: 10.1021/om000868y,
    rw12, rw03, bt132.

  12. V. S. Asirvatham, M. A. Khan, and M. T. Ashby, Comparative regiochemistry of protonation of (η6-C6H5R)(1,1',1"-tris(2- diphenylphosphinomethyl)ethane)Mo(0) (R=H, Me, and SiMe3). J. Organomet. Chem., 2001, 628, 275-279. doi: 10.1016/S0022-328X(01)00785-9,
    ma20.

  13. L. Chen, J. B. Fox, Jr., M. A. Khan, and G. B. Richter-Addo, Synthesis and molecular structures of N,N-dialkyl-4-nitrosoaniline adducts of formally d6 metalloporphyrins of ruthenium and cobalt. J. Porphyrins Phthalocyanines, 2001, 5, 702-707. doi: 10.1002/jpp.382.

  14. J. Lee, G.-B. Yi, D. R. Powell, M. A. Khan, and G. B. Richter-Addo, Synthesis, characterization, and protonation of octaethylporphyrin osmium nitrosyl complexes containing axial thiolate ligands -- X-ray structures of an alkyl thionitrite (RSNO) and its (OEP)Os(NO)(SR) addition product. Can. J. Chem., 2001, 79, 830-840. doi: 10.1139/cjc-79-5/6-830,
    gr813.

  15. R. L. Halterman, D. R. Fahey, V. P. Marin, D. W. Dockter, and M. A. Khan, Synthesis, characterization and polymerization properties of isopropylidene(η5-3-neomenthylcyclopentidienyl)(η5-fluorenyl)zirconium dichloride. J. Organomet. Chem., 2001, 625, 154-159. doi: 10.1016/S0022-328X(00)00786-5,
    rh910.

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