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Chemistry

A base-catalyzed reaction of aldehydes and 1,2-diaminobenzene to form benzimidazoles. Felix Odame, Eric Hosten, Richard Betz, Kevin Lobb, and Zenixole Tshentu. Submitted to Tetrahedron Letters in 2015.

A Simple Polarimetry Technique for Predicting the Absolute Configuration of the Preferred Enantiomer in Chiral Host-Guest Inclusion Complexes. Benita Barton and Pieter Pohl. S. Afr. J. Chem., 2015, 68, 215-218. DOI: 10.17159/0379-4350/2015/v68a29

Antioxidant and DNA binding studies of Cu(II) complexes of N,N’-(1,1’-dithio-bis(phenylene))-bis(salicylideneimine): synthesis and characterization. S. B. Moosun, S. Jhaumeer-Laulloo, E. C. Hosten, T. I. A. Gerber, M. G. Bhowon. Transition Met. Chem., 2015, 40, 445-458. DOI: 10.1007/s11243-015-9934-1

Benzimidazole or Diamide From a Reaction of Diamines and Carboxylic Acids or Acid Chlorides: Crystal Structures and Theoretical Studies. Felix Odame, Eric Hosten, Richard Betz, Kevin Lobb, and Zenixole Tshentu. Acta Chim. Slov. 2015, 62, 986-994. DOI: 10.17344/acsi.2015.1703

Bis diallyl dithiocarbamate Pt(II) complex: synthesis, characterization, thermal decomposition studies, and experimental and theoretical studies on its crystal structure. Damian C. Onwudiwe, Jane N. Mugo, Madalina Hrubaru and Eric Hosten. J. of Sulfur Chem., 2015, 36, 36-47. DOI: 10.1080/17415993.2014.960418

Characterization of some amino acid derivatives of benzoyl isothiocyanate: Crystal structures and theoretical prediction of their reactivity. Felix Odame, Eric C. Hosten, Richard Betz, Kevin Lobb, Zenixole R. Tshentu. J .Mole. Struct., 2015, 1099, 38-48. DOI: 10.1016/j.molstruc.2015.05.053

Clathrates of TETROL: Further Aspects of the Selective Inclusion of Methylcyclohexanones in Their Energetically Unfavorable Axial Methyl Conformations. Benita Barton, Mino R. Caira, Eric C. Hosten, Cedric W. McCleland, and Selwyn Weitz. J. Org. Chem., 2015, 80, 7184-7192. DOI: 10.1021/acs.joc.5b01067

Coordination of a Schiff base as an iminium-phenone zwitterion in a double ligand-bridged fac-[Re(CO)3]+ dimer. G. Habarurema, E.C. Hosten, T.I.A. Gerber. Inorg. Chem. Comm., 2015, 60, 23-26. DOI: 10.1016/j.inoche.2015.07.031

Crystal structure of (μ2-acetato-κ2O,O’)-( μ2-chlorido)-( μ2-oxido)-bis(dichlorido-triphenylphosphane-rhenium(IV)), C38H33Cl5O3P2Re2. Janvier Mukiza, Thomas I. A. Gerber, Eric C. Hosten and Richard Betz. Z. Kristallogr. NCS, 2015, 230, 283-285. DOI: 10.1515/ncrs-2014-0258

Crystal structure of 3,5-diaza-methyl-2-methyl-6-oxo-6-phenyl-4-thioxohexanoate, at 200 K, C12H14N2O3S. Felix Odame, Eric C. Hosten, Zenixole R. Tshentu and Richard Betz. Z. Kristallogr. NCS, 2015, 230, 9-10. DOI: 10.1515/ncrs-2014-0217

Crystal structure of 4-propyl-3-methyl-1-phenyl-2-pyrazolin-5-one thiosemicarbazone, C15H19N5OS. Omoruyi G. Idemudia, Alexander P. Sadimenko and Eric C. Hosten. Z. Kristallogr. NCS, 2015, 230, 81-82. DOI: 10.1515/ncrs-2014-0242

Crystal structure of bis(4-benzoyl-3-methyl-1-phenyl pyrazol-5-one)-bis(N,N-dimethylformamide)cobalt(II), C40H40CoN6O6. Omoruyi G. Idemudia, Alexander P. Sadimenko and Eric C. Hosten. Z. Kristallogr. NCS, 2015, 230, 83-84. DOI: 10.1515/ncrs-2014-0246

Crystal structure of bis(imidazolium) para-toluenesulfonate, C20H22N4O6S2. Puleng Moleko, Zenixole R. Tshentu, Eric C. Hosten and Richard Betz. Z. Kristallogr. NCS, 2015, 230, 95-96. DOI: 10.1515/ncrs-2014-9008

Crystal structure of catena-[[(1,10-phenanthroline-κ2N,N')copper(II)]-(μ2-oxalato-κ4O,O’:O’’,O’’’)] tetrahydrate, C14H16CuN2O8. Candyce Clark, Bereneice Sephton, Abigail Sephton, Travis Dugmore, Matthew Hickson and Richard Betz. Z. Kristallogr. NCS, 2015, 230, 87-88. DOI 10.1515/ncrs-2014-9001

Crystal structure of cis bis(4-benzoyl-3-methyl-1-phenyl pyrazol-5-one)-cis bis(methanol)-cobalt(II), C36H34CoN4O6. Omoruyi G. Idemudia, Alexander P. Sadimenko and Eric C. Hosten. Z. Kristallogr. NCS, 2015, 230, 162-164. DOI: 10.1515/ncrs-2014-0239

Crystal structure of fac-tricarbonyl-2-((E)-(3-amino-2-hydroxypropylimino)methyl)phenol rhenium(I) toluene solvate, C33H34N4O10Re2. Gratien Habarurema, Thomas I. A. Gerber, Eric C. Hosten and Richard Betz. Z. Kristallogr. NCS, 2015, 230, 38-40. DOI: 10.1515/ncrs-2014-0221

Crystal structure of trans-dibromido-ethoxido-oxido-bis(triphenylphosphane)-rhenium(V) – a triclinic polymorph, C38H35Br2O2P2Re. Gratien Habarurema, Thomas I. A. Gerber, Eric C. Hosten and Richard Betz. Z. Kristallogr. NCS, 2015, 230, 183-185. DOI: 10.1515/ncrs-2014-0252

Crystal structures of o,o’-(N,N’-dipicolinyldene)diazadiphenyl disulphide and its copper (II) complex: Antioxidant, antibacterial and DNA-binding properties. S.B. Moosun, S. Jhaumeer-Laulloo, E.C. Hosten, R. Betz, M.G. Bhowon. Inorg. Chim. Acta, 2015, 430, 8-16. DOI: 10.1016/j.ica.2015.02.020

Decarboxylation of 5-amino-orotic acid and a Schiff base derivative by rhenium(V). J. Mukiza, T.I.A. Gerber, E.C. Hosten. Inorg. Chem. Comm., 2015, 57, 54-57. DOI: 10.1016/j.inoche.2015.04.024

Dimeric rhenium(IV) and monomeric rhenium(I) and (V) complexes of orotic acid. J. Mukiza, E.C. Hosten, T.I.A. Gerber. Polyhedron, 2015, 98, 251-258. DOI: 10.1016/j.poly.2015.06.006

Distribution of polychlorinated biphenyl residues in sediments and blue mussels (Mytilus galloprovincialis) from Port Elizabeth Harbour, South Africa. E. Kampire, G. Rubidge, J.B. Adams. Marine Pollution Bulletin, 2015, 91, 173-179. DOI: 10.1016/j.marpolbul.2014.12.008

Ethyl (4-benzyloxyphenyl)-6-methyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidine-5-carboxylate and a redetermination of ethyl (4RS)-4-(4-methoxyphenyl)-6-methyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidine-5-carboxylate, as its 0.105-hydrate, both at 200 K: subtly different hydrogen-bonded ribbons. Balladka K. Sarojini, Hemmige S. Yathirajan, Eric C. Hosten, Richard Betz and Christopher Glidewell. Acta Cryst., 2015, C71, 59-64. DOI:10.1107/S2053229614026758

Fabrication and Antibacterial Activity of Electrospun Nylon 6 Nanofibers Grafted With 2-Substituted Vinylimidazoles. Phumelele Kleyi, Valencia Jacobs, Choon-Ki Na, Carminita L. Frost, Zenixole R. Tshentu and Nelson Torto. International Journal of Polymeric Materials and Polymeric Biomaterials, 64, 287-298. DOI: 10.1080/00914037.2014.945202

Novel triazatetracyclic derivatives of 2-(2-aminophenyl)-1H-benzimidazole. Felix Odame, Eric Hosten, Richard Betz, Kevin Lobb, and Zenixole Tshentu. Submitted to Tetrahedron Letters in 2015.

pH-metric chemical speciation modeling and studies of in vitro antidiabetic effects of bis[(imidazolyl)carboxylato]oxidovanadium(IV) complexes. Isaac Z. Gundhla, Ryan S. Walmsley, Vital Ugirinema, Nandipha O.Mnonopi, Eric Hosten, Richard Betz, Carminita L. Frost, Zenixole R. Tshentu. J. Inorg. Biochem., 2015, 145, 11-18. DOI: 10.1016/j.jinorgbio.2014.12.019

Quaternary diammonium groups hosted on polymer microspheres as specific reagents for separation of rhodium(III) and iridium(IV) chlorido species. Avela Majavu, Adeniyi S. Ogunlaja, and Zenixole R. Tshentu. Submitted to Separation Science and Technology in 2015.

Redetermination of the crystal structure of benzyltriethylammoniumchloride monohydrate at 200 K – localization of hydrogen atoms, C13H24ClNO. Eric C. Hosten and Richard Betz. Z. Kristallogr. NCS, 2015, 230, 21-22. DOI: 10.1515/ncrs-2014-9024

Redetermination of the crystal structure of bis(N-methyl-N-phenyldithiocarbamato-κ2S,S’)copper(II), C16H16CuN2S4. Damian C. Onwudiwe, Christien A. Strydom and Eric C. Hosten. Z. Kristallogr. NCS, 2015, 230, 17-18. DOI: 10.1515/ncrs-2014-0225

Redetermination of the crystal structure of nitridodichlorido bis(triphenylphosphane) rhenium(V), at 200 K – Localization of hydrogen atoms, C36H30Cl2NP2Re. Xandri Schoultz, Thomas I. A. Gerber, Eric C. Hosten and Richard Betz. Z. Kristallogr. NCS, 2015, 230, 79-80. DOI: 10.1515/ncrs-2014-0241

Rhenium(V)-mediated oxidative hydrolysis of phthalocyanines to form phthalonitriles. Songeziwe Ntsimango, Eric C. Hosten, Samson Khene, Abubak’r Abrahams, and Zenixole R. Tshentu. Submitted to Inorganic Chemistry Communications in 2015.

Separation of rhodium(III) and iridium(IV) chlorido species by quaternary diammonium centres hosted on silica microparticles. Avela Majavu, and Zenixole R. Tshentu. Submitted to Hydrometallurgy in 2015.

Slow diffusion in situ ruthenium/ligand reaction: Crystal structures, fluorescence and biological properties. S.B. Moosun, S. Jhaumeer-Laulloo, S.J. Coles, L.H. Blair, E.C. Hosten, M.G. Bhowon. Inorg. Chem. Comm., 2015, 62, 71-76. DOI: 10.1016/j.inoche.2015.10.019

Synthesis and Characterization of Bioactive Acylpyrazolone Sulfanilamides and Their Transition Metal Complexes: Single Crystal Structure of 4-Benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one Sulfanilamide. Omoruyi G. Idemudia, Alexander P. Sadimenko, Anthony J. Afolayan, Eric C. Hosten. Bioinorganic Chemistry and Applications, 2015, Article ID 717089. DOI: 10.1155/2015/717089

The Development of Palladium(II)-Specific Amine-Functionalized Silica-Based Microparticles: Adsorption and Column Separation Studies. Omolola E. Fayemi, Adeniyi S. Ogunlaja, Edith Antunes, Tebello Nyokong, and Zenixole R. Tshentu. Separation Science and Technology, 2015, 50, 1497-1506. DOI: 10.1080/01496395.2014.978017

The Oxidation of Dibenzothiophene using Oxidovanadium(IV)-containing Nanofibres as Catalyst. Adeniyi S. Ogunlaja, Eric C. Hosten and Zenixole R. Tshentu. S. Afr. J. Chem., 2015, 68, 172–180. DOI: 10.17159/0379-4350/2015/v68a24

The reaction of [ReIIICl3(t-BuNC)(PPh3)2] with aniline derivatives: Isolation of imido-Re(V) complexes and a Re(III) complex containing iminobenzoquinonate as ligand. X. Schoultz, T.I.A. Gerber, E. Hosten, R. Betz, L. Rhyman, P. Ramasami. Polyhedron, 2015, 96, 6-15. DOI: 10.1016/j.poly.2015.04.023

The structures of phenylphosphonic-acid-mono-(2-hydroxyphenyl)ester and phenylphosphonic-acid-mono-(3-hydroxynaphthalen-2-yl)ester - A combined experimental and theoretical study. Richard Betz. Polyhedron, 2015, 87, 163-169. DOI: 10.1016/j.poly.2014.11.017

Towards oxidative denitrogenation: catalytic oxidation of quinoline using silica-supported vanadium(V) oxide. Adeniyi S. Ogunlaja, Sabiu M. Abdulquadir, Phumelele R. Kleyi, Ernst Ferg and Zenixole R. Tshentu. Submitted to ACS Catalysis in 2015.

Trans,trans,trans-[ReO2I2(PPh3)2], a rare rhenium(VI) complex - Synthesis and DFT study. J. Mukiza, T.I.A. Gerber, E. Hosten, A.S. Ogunlaja, F. Taherkhani, M. Amini, M. Nahali. Inorg. Chem. Commun., 2015, 51, 83-86. DOI: 10.1016/j.inoche.2014.11.014