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Publications

2017

M. Gulfam Alam, S.O. Ojwach, Transition metal catalyzed olefin functionalization towards production of detergent and surfactant feedstocks, J. Surfactants & Detergents 20 (2017) 75-81.

M. Wolf, H. Kotzé, N. Fischer & M. Claeys, Size dependent stability of cobalt nanoparticles on silica under high conversion Fischer-Tropsch environment, Faraday Discussions, 197 (2017) 243.

T. Nyathi, N. Fischer, A. York & M. Claeys, Effect of crystallite size on the performance and phase transformation of Co3O4/Al2O3 catalysts during CO-PrOx – an in situ study, Faraday Discussions, 197 (2017) 269.

N. Fischer, S. A. Kondrat & M. Shozi, Faraday Discussions meeting Catalysis for Fuels, Chemical Communications, 53 (2017) 4880.

2016

M. Claeys, Cobalt gets in shape, Nature 538 (2016) 44.

N. Fischer, R. Henkel, H. Kotze, M. Furst, J. Oliver, J. Neethling & M. Claeys, Acetonitrile via CO hydrogenation in the presence of NH3, Catalysis Communications 87 (2016) 14.

N. Fischer, R. Henkel, B. Hettel, M. Iglesias, G. Schaub & M. Claeys, Hydrocarbons via CO2 hydrogenation over iron catalysts – the effect of potassium on structure and performanceCatalysis Letters 146 (2016) 509.

N. Fischer & M. Claeys, Phase changes studied under in situ conditions – a novel cellCatalysis Today 275 (2016) 149.

A.K. Rausch, L. Schubert, R. Henkel, E. van Steen, M. Claeys, F. Roessner, Enhanced olefin production in Fischer-Tropsch synthesis using ammonia containing synthesis gas feeds, Catalysis Today 275 (2016) 94.

J.I. du Toit, P. van der Gryp, M. M. Loock, T.T. Tole, S. Marx, J.H.L Jordaan, H.C.M. Vosloo, Industrial viability of homogeneous olefin methathesis: Beneficiation of linear alpha olefins with the diphenyl-substituted pyridinyl alcoholato ruthenium carbene precatalyst, Catalysis Today 275 (2016) 191.

D. Nabaho, J.W. Niemantsverdriet, M. Claeys, E. van Steen,  Hydrogen spillover in the Fischer-Tropsch synthesis: An analysis of gold as a promoter for cobalt-alumina catalysts, Catalysis Today 275 (2016) 27.

T.N. Phaahlamohlaka, D.O. Kumi, M.W. Dlamini, L.J. Jewell, N.J. Coville, Ruthenium nanoparticles encapsulated inside porous hollow carbon spheres: A novel catalyst for Fischer-Tropsch synthesis, Catalysis Today 275 (2016) 76.

M. Wolf, N. Fischer, M. Claeys, Effectiveness of catalyst passivation techniques studied in situ with a magnetometerCatalysis Today 275 (2016) 135.

M. Claeys, E. van Steen, H. Niemantsverdriet, M. Vosloo, N. Fischer, Preface, Catalysis Today 275 (2016) 1.

D. Nabaho, J.W. Niemantsverdriet, M. Claeys, E. van Steen, Hydrogen spillover in the Fischer-Tropsch synthesis: an analysis of platinum as a promoter for cobalt-alumina catalysts, Catalysis Today 261 (2016), 17-27.

P.G. Hollis, K.G. Clarke, A systematic quantification and correlation of oxygen transfer coefficients and interfacial area in simulated model hydrocarbon-based bioprocesses in stirred tank reactors, J. Chem. Technol. Biotechnol. 91 (2016) 2720-2728.

P.B. Pansuriya, H.M. Parekh, G.E.M. Maguire, H.B. Friedrich, Clathrate tetraldehyde cavitand: Single crystal structure and NMR study, Supramolec. Chem. 28 (2016) 329-334.

P.B. Pansuriya, C. Patel, H.B. Friedrich, G. E. M. Maguire, Crystal structure of N-phenyl-2-(pyridin-4- ylcarbonyl)hydrazinecarboxamide with Z′ = 4, C13H12N4O2, Z. Kristallogr. NCS, 231 (2016) 649-652.

S.G. Mncube M.D. Bala, Recoverable aqueous-ionic liquid biphasic catalyst system for the oxidation of n-octane, J. Mol. Liq. 215 (2016) 396-401.

P. Moeti, J. Darkwa, Symmetrically and unsymmetrically substituted bis(pyrazole)- palladium(II) and nickel(II)halides as pre-catalysts for ethylene dimerization and Friedel-Crafts alkylation of toluene and benzene, S. Afr. J. Chem. 69 (2016) 236.

Kumar, T. Godeto, J. Darkwa, Tandem ethylene dimerization and Friedel-Crafts alkylation of toluene catalyzed by homo- and heterogeneous nickel(II) and palladium(II) pre-catalysts, J. Organomet. Chem. 818 (2016) 137.

C. Obuah, J. H. L. Jordaan, J. Darkwa, Ferrocenylpyrazolyl-nickel(II) catalysed ethylene oligomerisation, Catal. Sci. Technol. 14 (2016) 4814.

M. Yankey, C. Obuah, J. Darkwa, Homo-polymerization of 1-hexene catalysed by O^N^N (salicylaldimine)iron(III) pre-catalysts to branched poly(1-hexene), Catalysts 6 (2016) 47.

R. Brosius, P.J. Kooyman, J.C.Q. Fletcher, Selective Formation of Linear Alkanes from n-Hexadecane Primary Hydrocracking in Shape-Selective MFI Zeolites by Competitive Adsorption of Water, ACS Catalysis 6 (2016) 7710-7715.

 

2015

T. Sango, N. Fischer, R. Henkel, F. Roessner, E. van Steen, M. Claeys, Formation of nitrogen containing compounds from ammonia co-fed to the Fischer-Tropsch synthesis, Applied Catalysis A: General, 502 (2015) 150-156.

N. Fischer, B. Clapham, T. Feltes, M. Claeys, Cobalt-based Fischer-Tropsch activity and selectivity as a function of crystallite size and water partial pressure, ACS Catalysis, 5 (2015) 113-121.

H. Xiong, L.L. Jewell, N.J. Coville, Shaped carbons as supports for the catalytic conversion of syngas to clean energy, ACS Catalysis, 5 (2015) 2640−2658.

W.M. Dlamini, N.J. Coville, M.S. Scurrell, Microwave radiation in the modification of iron Fischer- Tropsch catalysts, Journal of Molecular Catalysis A: Chemical 409 (2015) 19–25.

M.W. Dlamini, D.O. Kumi, T.N. Phaahlamohlaka, A. Lyadov, D.G. Billing, L.L. Jewell, N.J. Coville Carbon Spheres Prepared by Hydrothermal Synthesis—A Support for Bimetallic Iron Cobalt Fischer–Tropsch Catalysts, ChemCatChem 7 (2015) 3000–3011.

W.M. Dlamini, N.J. Coville, M.S. Scurrell, Microwave radiation modification of potassium-promoted iron on silica catalysts for the Fischer-Tropsch reaction, RSC Advances, RSC Advances, 6 (2016) 22222 – 22231.

T.T. Tole, J.H.L. Jordaan, H.C.M. Vosloo, Synthetic methods of α-pyridinyl and α-bipyridinyl alcohols and α,α’-pyridine and α,α’-bipyridine diols, Current Organic Synthesis, 12 (2015) 261-304.

K. Ramollo, M.J. Lopez-Gomez, D.C. Liles, L.C. Matsinha, G.S. Smith, D.I. Bezuidenhout, Rhodium(I) Ferrocenylcarbene Complexes: Synthesis, Structural Determination, Electrochemistry, and Application as Hydroformyaltion Catayst Precursors, Organometallics, 34 (2015) 5745-5753.

S. Siangwata, N. Baartzes, B.C.E. Makhubela, G.S. Smith, Synthesis, characterization and reactivity of water-soluble ferrocenylimine-Rh(I) complexes as aqueous-biphasic hydroformylation catalyst precursors,
Journal of Organometallic Chemistry, 796 (2015) 26-32.

L.C. Matsinha, J. Mao, S.F. Mapolie, G.S. Smith, Water-Soluble Palladium(II) Sulfhonated Thiosemicarbazone Complexes: Facile
Synthesis and Preliminary Catalytic Studies in the Suzuki-Miyaura Cross-
Coupling Reaction in Water, European Journal of Inorganic Chemistry, (2015) 4088-4094.

L. Maqeda, B.C.E. Makhubela, G.S. Smith, Synthesis, characterization and evaluation of fluorocarbon-containing rhodium(I) complexes for biphasic hydroformylation reactions, Polyhedron, 91 (2015) 128-135.

L.C. Matsinha, S.F. Mapolie, G.S. Smith, Recoverable and Recyclable Water-Soluble Sulphonated Salicylaldimine Rh(I) Complexes for 1-Octene Hydroformylation in Aqueous Biphasic Media, Dalton Transactions, 44 (2015) 1240-1248.

S.F. Mapolie, F. Zheng, A.T. Hutton, C. van Sittert, W. j. Gerber, Cyclometallated platinum(II) complexes of benzylidene-2,6-di-isopropylphenylamine containing bidentate phosphines: Synthesis, structural properties and reactivity studies, Dalton Trans., 44, 4 (2015)1969-1981.

R. Malgas-Enus, S.F. Mapolie, Nickel metallodendrimers as catalyst precursors in the tandem oligomerization of ethylene and Friedel–Crafts alkylation of its olefinic products, Inorg. Chim. Acta 428 (2015) 212.

T.A. Tshabalala, S.O. Ojwach, M.A. Akerman, Palladium Complexes of (Benzoimidazol-2-ylmethyl)amine Ligands as Catalysts for Methoxycarbonylation of Olefins, J. Mol. Catal. A: Chem., 406 (2015) 178-184.

G.S. Nyamato, M.G. Alam, S.O. Ojwach, M.P. Akerman, (Pyrazolyl)-(phosphinoyl)pyridine iron(II), cobalt(II) and nickel(II) complexes: Synthesis, characterization and ethylene oligomerization studies, J. Organomet. Chem., 783 (2015) 64-72.

A. Pennec, F. Hollmann, M.S. Smit, D.J. Opperman, One-pot conversion of cycloalkanes to lactones. ChemCatChem, 7 (2015) 236 – 239.

P.B. Pansuriya, H.M. Parekh, G.E.M. Maguire, H.B. Friedrich, Tetramethoxy resorcin[4]arene-tetraester derivatives: Synthesis, characterization and thermal degradation studies”, , J. Therm. Anal. Calorim., 120 (2015) 653-665.

P.B. Pansuriya, M. Bala, H.B. Friedrich and G.E.M. Maguire, Hydrogen bonded co-crystallised layered isopropanol-pyrogallol[4]arenes”, Supramolec. Chem., 27 (2015) 545-551.

A. Pennec, C.L. Jacobs, D.J. Opperman, M.S. Smit, Revisiting Cytochrome P450-Mediated Oxyfunctionalization of Linear and Cyclic Alkanes, Advanced Synthesis and Catalysis, 357 (2015) 118 -130.

J.I. du Toit, C.G.C.E. van Sittert, H.C.M. Vosloo, Towards a better understanding of alkene metathesis: elucidating the properties of the major metal carbene catalyst types, Chemical Monthly – Monatshefte für Chemie, 146 (2015) 1115–1129.

P.B. Pansuriya, M.D. Bala, H.B. Friedrich, G.E.M. Maguire, Hydrogen bonded co-crystallized layered isopropanolpyrogallol[4]arenes, Supramol. Chem., 27 (2015) 545-551.

P.B. Pansuriya, H.B. Friedrich, G.E.M. Maguire, Crystal structure of 1-[2-[(2-chloro-3-thienyl)methoxy]-2-(2,4-dichlorophenyl), ethyl]-1H-imidazole, C16H13Cl3N2OS, Z. Kristallogr. NCS, 230 (2015) 5-6.

2014

N. Fischer, E. van Steen, M. Claeys, Tri-cobalt carboxylate as a catalyst and catalyst precursor in the Fischer-Tropsch synthesis, ChemCatChem, 6 (2014) 1707-1713.

N. Fischer, B. Clapham, T. Feltes, E. van Steen, M. Claeys, Size-Dependent Phase Transformation of Catalytically Active Nanoparticles Captured In-Situ, Angewandte Chemie, 53 (2014) 1342-1345.

R.P. Mogorosi, M. Claeys, E. van Steen, Enhanced activity via surface modification of Fe-based Fischer-Tropsch catalyst precursor with titanium butoxide, Topics in Catalysis, 57 (2014) 572-581.

R. Malgas-Enus, S.F. Mapolie, Nickel metallodendrimers as catalyst precursors in the tandem oligomerization of ethylene and Friedel-Crafts alkylation of the resulting olefinic products, Inorganic Chimica Acta, 409 (2014) 96–105.

Theron, C.W., Labuschagné, M., Gudiminchi, R.-K., Albertyn, J. & Smit, M.S., A broad-range yeast expression system reveals Arxula adeninivorans expressing a fungal self-sufficient cytochrome P450 monooxygenase as an excellent whole cell biocatalyst, FEMS Yeast Research, 14 (2014) 556-566.

M. K. Rayner, D. G. Billing and N. J. Coville, In-situ XRD study on an Fe/TiO2 catalyst – activation studies, Acta. Cryst. B, 70 (2014) 498-509.

M. de Beer, A. Kunene, D. Nabaho, M. Claeys, E. van Steen, Technical and economic aspects of promotion of cobalt-based Fischer-Tropsch catalysts by noble metals – a review, Journal of the South African Institute of Mining and Metallurgy, 1 (2014) 114-157.

R. Brosius, J.C.Q. Fletcher, Hydrocracking under Fischer-Tropsch conditions: the effect of CO on the mass transfer resistance by metal clusters, Journal of Catalysis, 317(2014) 318 – 325.

L.A. Truter, P.R. Makgwane, B. Zeelie, S. Roberts, W. Böhringer, J.C.Q. Fletcher, Washcoating of H-ZSM-5 zeolite onto steel microreactor plates – filling the void space between zeolite crystallite agglomerates particles, Chemical Engineering Journal, 257 (2014) 148 – 158.

A.S. Thakar, H.M. Parekh, P.B. Pansuriya, H.B. Friedrich, G.E.M. Maguire, The preparation of enantiomerically pure C4-symmetric tetramethoxy-resorcarenes obtained from (S)-(-)-1-phenylethyl isocyanate derivatives, Eur. J. Org. Chem., (2014) 4600 – 4609.

L. Soobramony, M.D. Bala, H.B. Friedrich, Coordination chemistry of Co complexes containing tridentate SNS ligands and their application as catalysts for the oxidation of n-octane, Dalton Trans. 43 (2014) 15968-15978.

E. Kadwa, M.D. Bala, H.B. Friedrich, Characterisation and application of montmorillonite-supported Fe Schiff base complexes as catalysts for the oxidation of n-octane, Appl. Clay Sci., 95 (2014) 340-347.

M.D. Cele, H.B. Friedrich, M.D. Bala,Liquid phase oxidation of n-octane to C8 oxygenates over modified Fe-MOF-5 catalysts”, Catal. Commun., 57 (2014) 99-102.

A.J. Swarts, S.F. Mapolie, The synthesis and application of novel Ni(II) N-alkyl dipyridylaldiminato complexes as selective ethylene oligomerization catalysts, Dalton Trans., 43 (26) (2014) 9892 – 9900.

A.J. Swarts, F. Zheng, V.J. Smith, E. Nordlander, S.F. Mapolie, Reactivity of Bis(pyridyl)‑N‑alkylaminato Methylpalladium Complexes toward Ethylene: Insights from Experiment and Theory, Organometallics 33 (2014) 2247−2256.

G.S. Nyamato, S.O. Ojwach, M.P. Akerman, Unsymmetrical (pyrazolylmethyl)pyridine metal complexes as catalysts for ethylene oligomerization reactions: Role of solvent and co-catalyst in product distribution, J. Mol. Catal. A: Chem., 394 (2014) 274-282.

M. Yankey, C. Obuah J. Darkwa, Phenoxysalicylaldimine supported chromium(III) pre-catalysts for ethylene polymerization, Macromol. Chem. Phys. 215 (2014) 1767.

M. Yankey, C. Obuah, I.A. Guzei, E. Osei-Twum, G. Hearne, J. Darkwa, (Phenoxyimidazollyl-salicylaldimine)iron complexes: synthesis, properties and iron catalysed ethylene reactions, Dalton Trans., 43 (2014) 13913.

C. Obuah, A. Munyaneza, I. A. Guzei, J. Darkwa, Ferrocenylpyrazolyl palladium complexes as catalysts for the polymerization of 1-heptene and 1-octene to branched polyolefins, Dalton Trans., 43 (2014) 8940.

C. Obuah, B. Omondi, K. Nozaki, J. Darkwa, Solvent and co-catalyst dependent pyrazolyl nickel(II) catalyzed ethylene oligomerization and polymerization reactions., J. Mol. Catal. A: Chem., 382 (2014) 31.

J.I. du Toit, M. Jordaan, C.A.A. Huijsmans, J.H.L. Jordaan, C.G.C.E. van Sittert, H.C.M. Vosloo, Improved Metathesis Lifetime: Chelating Pyridinyl-Alcoholato Ligands in the Second Generation Grubbs Precatalyst, Molecules, 19 (2014) 5522-5537.

H.M. Parekh, P.B. Pansuriya, H.B. Friedrich and G.E.M. Maguire, Crystal structure of 1,21,23,25-tetrapentyl-2,20:3,19-dimetheno-1H,21H,23H,25H-bis[1,3]dioxocino[5,4-i:5′,4′-i’]benzo[1,2-d:5,4-d’]-bis-[1,3]benzodioxocin-7,11,15,28-tetrol], C56H72O14, Z. Kristallogr. NCS, 229 (2014) 479-481.

M.D. Cele, H.B. Friedrich, M.D. Bala, Effect of the NaY matrix in the oxidation of n-octane, cyclohexane, 1-octene and 4-octene by encapsulated porphyrin and Fe-NaY, Reac. Kinet. Mech. Cat., 111 (2014) 737-750.

2013

M. Claeys, N. Fischer, Sample presentation device for radiation-based analytical equipment, US-Patent US 8,597,598, (2013).

N. Fischer, E. van Steen, M. Claeys, Structure sensitivity of the Fischer-Tropsch activity and selectivity on alumina supported cobalt catalysts, Journal of Catalysis 299 (2013) 67-80.

F. Zheng, A. T. Hutton, C. G. C. E. van Sittert, J. R. Moss, S. F. Mapolie, Synthesis, structural characterization and cis–trans isomerization of novel (salicylaldiminato)platinum(II) complexes, Dalton Trans, 42 (2013) 11163.

A. Budhai, B. Omondi, S. O. Ojwach, C. Obuah, E. Y. Osei-Twum, J. Darkwa, Tandem ethylene oligomerization and Friedel-Crafts alkylation of toluene catalyzed by bis-(3,5-dimethylpyrazol-1-ylmethyl)benzene nickel(II) complexes and ethylaluminum dichloride, Cat. Sci. Tech. 2013, 3, 3130.

Olaofe, O.A., Fenner, C.J., Gudiminchi, R.K., Smit, M.S., Harrison, S.T.L., The influence of microbial physiology on biocatalyst activity and efficiency in the terminal hydroxylation of n-octane using Escherichia coli expressing the alkane hydroxylase, CYP153A6, Microbial Cell Factories (2013), 12:8.

Girhard, M., Tieves, F., Weber, E., Smit, M.S. & Urlacher, V.B., Cytochrome P450 reductase from Candida apicola: versatile redox partner for bacterial P450s, Applied Microbiology and Biotechnology 97 (2013) 1625-1635.

Leah C. Matsinha, Peter Malatji, Alan T. Hutton, Gerhard A. Venter, Selwyn F. Mapolie and Gregory S. Smith, Water-Soluble Half-Sandwich Ru-Arene complexes: Synthesis, Structure, Electrochemistry, DFT Studies, and Aqueous Phase Hydroformylation of 1-Octene, European Journal of Inorganic Chemistry (2013) 4318-4328.

du Toit JI, van Sittert CGCE, Vosloo HCM, Metal carbenes in homogeneous alkene metathesis: computational investigations, Journal of Organometallic Chemistry, 738 (2013) 76-91.

Leah C. Matsinha, Selwyn F. Mapolie and Gregory S. Smith, Synthesis and characterisation of mono- and binuclear iminopyridyl and salicylaldimine Ru(II)-arene complexes, Polyhedron, 53 (2013) 56-61.

P.B. Pansuriya, H.M. Parekh, H.B. Friedrich, G.E.M. Maguire, Bisthiourea: Thermal and Structural Investigation, J. Therm. Anal. Calorim., 111 (2013) 597-603.

M. K. Ainooson, I. A. Guzei, L. C. Spencer, J. Darkwa, Pyrazolylimine iron and cobalt, and pyrazolylamine nickel complexes: synthesis and evaluation of nickel complexes as ethylene oligomerization catalysts, Polyhedron, 53 (2013) 295.

2012

P van der Gryp, S Marx, HCM Vosloo, Experimental, DFT and kinetic study of 1-octene metathesis with Hoveyda-Grubbs second generation precatalyst, Journal of Molecular Catalysis A: Chemical, 355, 85-95 (2012)

A detailed example of the identification and crystallographic analysis of a pseudo-merohedrally twinned crystal. I. A. Guzei, R. Herbst-Irmer, A. Munyaneza, J. Darkwa, Acta Cryst. 2012, B68, 150 (2012)

A Novel Nickel (II) Complex Based On a Cyclam-Cored Generation-One Dendrimeric Salicylaldimine Ligand and Its Application as a Catalyst Precursor in Norbornene Polymerization: Comparative Study With Some Other First Generation DAB-Polypropyleneimine Metallodendrimers, R. Malgas-Enus, S.F. Mapolie, Polyhedron, 47 (2012) 87–93

Emma B. Hager, Banothile C.E. Makhubela and Gregory S. Smith* Aqueous-phase Hydroformylation of 1-octene using hydrophilic sulfonate salicylaldimine dendrimers DALTON TRANSACTIONS, 2012, 41, 13927-13935.

Banothile C.E. Makhubela, Anwar M. Jardine, Gunnar Westman and Gregory S. Smith* Hydroformyaltion of 1-octene using low-generation Rh(I) Metallodendritic Catalysts based on a Tris-2-(2-pyridyliminoehtyl)amine scaffold DALTON TRANSACTIONS, 2012, 41, 10715-10723.

Banothile C.E. Makhubela, Anwar Jardine and Gregory S. Smith* Rh(I) Complexes Supported on a Biopolymer as Recyclable and Selective Hydroformylation Catalysts GREEN CHEMISTRY, 2012, 14, 338-347.

Gudiminchi, R.K., Randall, C., Opperman, D.J., Olaofe, O.A., Harrison, S.T.L., Albertyn, J., Smit, M.S., (2012) Whole-cell hydroxylation of n-octane by Escherichia coli strains expressing the CYP153A6 operon Appl. Microbiol. Biotechnol., 96:1507–1516 DOI: 10.1007/s00253-012-3984-5

Girhard, M., Tieves, F., Weber, E., Smit, M.S., Urlacher, V.B; Cytochrome P450 reductase from Candida apicola: versatile redox partner for bacterial P450s; Appl. Microbiol. Biotechnol. DOI 10.1007/s00253-012-4026-z Published online 19 April 2012

L.H. Callanan, R.M. Burton, J. Mullineux, J.M.M. Engelbrecht, U. Rau, “Effect of semibatch reactor configuration on aromatic hydroxylation reactions”, Chem. Eng. J. 180 (2012) 255-262

R.P. Mogorosi, N. Fischer, M. Claeys, E. van Steen “Strong metal support interaction by molecular design: Fe-silicate interactions in Fischer Tropsch catalysts”, Journal of Catalysis 289 (2012), 140-150.

N. Fischer, M. Minnermann, M. Baeumer, E. van Steen, M. Claeys* “Metal support interactions in Co3O4/Al2O3 catalysts prepared from w/o microemulsions”, Catalysis Letters, 142 (2012) 830-837

P van der Gryp, S Marx, HCM Vosloo, Experimental and reaction kinetic investigation of 1-octene metathesis reaction with Hoveyda-Grubbs first generation precatalyst, International Journal of Chemical Reactor Engineering (DOI: 10.1515/1542-6580.2771), 10, Published online 2012-07-30

Engelbrecht I, Visser H.G., Roodt A(2012). (Bis[N,N-bis(diphenylphosphanyl) cyclopentanamine k2P,P’]platinum(II) bis(trifluoromethanesulfonate). ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, E68 pp. m916 – 917.

Engelbrecht I, Visser H.G., Roodt A(2012). Tricarbonylbis(triphenylphosphane-kP)iridium(I) hexafluoridophosphate methanol monosolvate. ACTA CRYSTALLO-GRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, E68 pp. m1187 – 1188.

Clarke K.G. and Manyuchi M.M (2012) “Methodology for advanced measurement accuracy of the overall volumetric oxygen transfer coefficient with application to hydrocarbon-aqueous dispersions.” J. Chem. Technol. Biotechnol. 87, 1615-1618.

“6,12,18,24-Tetramethoxy-4,10,16,22-tetrakis[(methoxycarbonyl)methoxy]-2,8,14,20-tetrakis(2-phenylethyl)resorcin[4]arene”, Pramod B. Pansuriya, Holger B. Friedrich and Glenn E. M. Maguire, Acta Crystallogr. E68 (2012) o97–o98

2011

K. Jalama, N. J. Coville, H. Xiong, D. Hildebrandt, D. Glasser, S Taylor, A Carley and G. J. Hutchings, ‘A comparison of effect of Au on alumina and silica supported cobalt catalysts for use in the Fischer-Tropsch reaction’ Appl Catal General, 395 (2011) 1-9.

Neutral palladium(II) complexes with P,N Schiff-base ligands: Synthesis, characterization and catalytic oligomerisation of ethylene, M. M. Mogorosi, T. Mahamo, J. R. Moss, S. F. Mapolie, J. C. Slootweg, J. Organomet. Chem. 696 (2011), 3585

Cationic palladacycles as catalyst precursors for phenyl acetylene polymerization, N. Mungwe, A.J. Swarts , S.F. Mapolie , G. Westman, J. Organomet. Chem., 696 (2011) 3527

Vinyl-addition polymerization of norbornene catalyzed by (pyrazol-1-ylmethyl)pyridine divalent iron, cobalt and nickel complexes. L. L. Benade, S. O. Ojwach, C. Obuah, I. A. Guzei, J. Darkwa, Polyhedron 2011, 30, 2878-2883.

Pyrazolyl iron, cobalt nickel and palladium complexes: Synthesis, molecular structures, and evaluation as ethylene oligomerization catalysts. M. K. Ainooson, S. O. Ojwach, I. A, Guzei, L. C. Spencer, J. Darkwa, J. Organomet. Chem. 2011, 696, 1528-1535.

JOURNAL OF ORGANOMETALLIC CHEMISTRY, 2011, 696, 2003-2007, Nathan C. Antonels, John R. Moss and Gregory S. Smith*, Hydroformylation activity of multinuclear rhodium complexes coordinated to dendritic iminopyridyl and iminophosphine scaffolds

APPLIED CATALYSIS A: GENERAL, 2011, 393, 231-241, Banothile C.E. Makhubela, Anwar Jardine and Gregory S. Smith* Pd Nanosized Particles Supported on Chitosan and 6-Deoxy-6-Amino Chitosan as Recyclable Catalysts for Suzuki-Miyaura and Heck Cross-coupling Reactions

Linda H. Callanan, Robert M. Burton, John Mullineux, Jacoba M.M. Engelbrecht, Ursula Rau: “Effect of semibatch reactor configuration on aromatic hydroxylation reactions”, Chemical Engineering Journal 180 (2012) 255– 262

“The oxidative dehydrogenation of n-hexane over a β-NiMoO4 catalyst”, B. Pillay, M.R. Mathebula, H.B. Friedrich, Catal. Lett., 141 (2011) 1297–1304.

N. Fischer, E. van Steen, M. Claeys*, “Preparation of supported nano-sized cobalt oxide and fcc cobalt crystallites”, Catalysis Today, 171 (2011) 174-179

“2,6-Bis(tosyloxymethyl)pyridine”, L. Komarsamy, M.D. Bala, H.B. Friedrich, B. Omondi, Acta Crystallogr., E67 (2011) o302.

“3,3’-Diphenyl-1,1’-(butane-1,4-diyl)-Dithiourea”, P. Pansuriya, H.B. Friedrich and G.E.M. Maguire, Acta Crystallogr., E67 (2011) o2380.

“1,1′-(propane-1,3-diyl)bis(3-phenylurea)”, P. Pansuriya, H. Naidu, H.B. Friedrich and G.E.M. Maguire, Acta Crystallogr., E67 (2011) o2552.

“4,6,10,12,16,18,22,24-Octa-O-methyl-2,8,14,20-tetrapentylresorcin[4]arene”, P.B. Pansuriya, H.B. Friedrich and G.E.M. Maguire, Acta Crystallogr. E67 (2011) o2565.

“1-(2-Aminoethyl)-3-phenylthiourea”, P.B. Pansuriya, H.B. Friedrich and G.E.M. Maguire, Acta Crystallogr. E67 (2011) o2621.

“1,1’-(Ethane-1,2-diyl)bis(3-phenylthiourea)”, P.B. Pansuriya, H.B. Friedrich and G.E.M. Maguire, Acta Crystallogr. E67 (2011) o2819

“4,10,16,22-Tetrakis(2-chloroacetoxy)-6,12,18,24-tetramethoxy-2,8,14,20-tetrapentyl-resorcin[4]arene”, P.B. Pansuriya, H.B. Friedrich and G.E.M. Maguire, Acta Crystallogr. E67 (2011) o2907

“4,5,6,10,11,12,16,17,18,22,23,24-Dodecakis[(methoxycarbonyl)methoxy]-2,8,14,20-tetrapentylresorcin[4]arene”, P.B. Pansuriya, H.B. Friedrich and G.M. Maguire, Acta Crystallogr. E67 (2011) o3305-o3306

“4,6-Bis(diphenylphosphanyl)dibenzo[b,d ]furan”, T. Marimuthu, H.B. Friedrich and M.D. Bala, Acta Crystallogr. E67 (2011) o3319

Engelbrecht, I., Visser, H.G. and Roodt, A., 2011, N,N-Bis(diphenyl-phosphanyl)cyclobutanamine, Acta Crystallographica Section E E67: o2041-o2042

Venter, G.J.S., Steyl, G. and Roodt, A., 2011, 4-(2,6-Dibromo-4-fluoroanilino)pent-2-en-2-one, Acta Crystallographica Section E E67: o3092-o3093

2010

Pyrazole and (pyrazol-1-yl)metal complexes as carbon-carbon coupling catalysts. S. O. Ojwach, J. Darkwa, Inorg. Chim. Acta, 2010, 363, 1947.

Correia L.D.C., Aldrich C and Clarke K.G. (2010) “Interfacial gas-liquid transfer area in alkane-aqueous dispersions and its impact on the overall volumetric oxygen transfer coefficient.” Biochem. Eng. J. 49, 133-137. doi:10.1016/j.bej.2009.12.007

Percy van der Gryp, Anro Barnard, Jean-Pierre Cronje, Dennis de Vlieger, Sanette Marx, Hermanus CM Vosloo, Separation of different metathesis Grubbs-type catalysts using organic solvent nanofiltration, Journal of Membrane Science, 2010, 353, 70-77

Synthesis Characterization of Polyamide Metallodendrimers and their Catalytic Activities in Ethylene Oligomerization. T. Ahamad • S. M. Alshehri, S. F. Mapolie, Catal Lett, 138 (2010) 171.

Gudiminchi, R.K. and Smit, M.S., Identification and characterization of 4-hexylbenzoic acid and 4-nonyloxybenzoic acid as substrates of CYP102A1; Applied Microbiology and Biotechnology; published on line DOI 10.1007/s00253-010-3029-x

Characterisation and long-term usage catalytic properties of (VO)2P2O7/Al2O3 stainless steel coated catalyst in p-cymene oxidation, E Ferg, P Makgwane, and B Zeelie, Applied Catalysis A: General 373 (2010) 132–139

Selective oxidation of p-cymene catalyzed by VPO catalyst: Process performance and kinetics studies, E Ferg, N Harmse, P Makgwane, and B Zeelie, Chemical Engineering Journal 162 (2010) 341–349

Liquid Phase Oxidation of p-cymene by (VO)2P2O7 and VO(PO3)2 Catalysts, D Billing, E Ferg, P Makgwane, and B Zeelie, Catal.Lett. (2010) 135:105–113 DOI 10.1007/s10562-010-0278-3

H. Xiong, M. Moyo, M. Rayner, L. L. Jewell, D. Billing and N. J. Coville “Autoreduction and catalytic performance of a cobalt Fischer-Tropsch synthesis catalyst supported on nitrogen-doped carbon spheres” ChemCatChem., 2 (2010) 514 – 518

Structural Characteristics, Stability, and Activity of(VO)2P2O7 and VO(PO3)2 Catalysts in p-Cymene Liquid-Phase Oxidation, E Ferg, P Makgwane, and B Zeelie, ChemCatChem 0000, 00, 1 – 10

Engelbrecht, I., Visser, H.G. & Roodt, A. 2010. Bis[N,N-bis(diphenylphosphanyl)pentylamine-K2P,P’]platinum(II) bis(hexafluoridophosphate) dichloromethane disolvate. Acta Crystallographica Section E E66: m922-m923.

Engelbrecht, I., Visser, H.G. & Roodt, A. 2010. Bis[N,N-bis(diphenylphospanyl)cyclo-hexylamine-K2P,P’]platinum(II) bis(hexafluoridophosphate) dichloromethane disolvate. Acta Crystallographica Section E E66: m994-m995.

Engelbrecht, I., Visser, H.G. & Roodt, A. 2010. N,N-Bis(diphenylphosphanyl)cyclo-pentanamine. Acta Crystallographica Section E E66: o3322-o3323.

Engelbrecht, I., Visser, H.G. & Roodt, A. 2010. N,N-Bis(diphenylphosphanyl)cyclo-propylamine. Acta Crystallographica Section E E66: o2881.

Bis(2-hydroxyethnanaminium) tetrahcloridopalladate(II). I. A. Guzei, L. C. Spencer, M. Yankey, J. Darkwa, Acta Cryst. E, 2010, E66, m1551.

2009

T. Mokrani, M. Scurrell, “Gas Conversion to Liquid Fuels and Chemicals: The Methanol Route-Catalysis and Process Development”, Catalysis Reviews, 51, 1 – 145 (2009) doi: 10.1080/01614940802477524

S. O. Ojwach, I. A. Guzei, L. L. Benade, S. F. Mapolie, J. Darkwa,“(Pyrazol-1-ylmethyl)pyridine Nickel Complexes: Ethylene Oligomerization and Unusual Friedel-Crafts Alkylation Catalysts”, Organometallics, 28 (7) 2127-2133 (2009)

PR Makgwane, EE Ferg, and B Zeelie, “Characterization and long-term usage catalytic properties of (VO)2P2O7/γ-Al2O3 stainless steel coated catalyst in p-cymene oxidation”, Applied Catalysis A, General (2009), doi:10.1016/j.apcata.2009.11.007.

M.G. McKay, T. Cwele, H.B. Friedrich, G.E.M. Maguire, “Microwave assisted synthesis of a new series of resorcin[4]arene cavitand-capped porphyrin capsules“, Org. Biomel. Chem., 7, 3958-3968 (2009)

B. Pillay, M.R. Mathebula, H.B. Friedrich, “The oxidative dehydrogenation of n-hexane over Ni-Mo-O catalysts“, Appl. Catal. A., 361, 57-64 (2009)

Lucas, N., Bordoloi, A., Amrute, A.P., Kasinathan, P., Vinu, A., Bohringer, W., Fletcher, J.C.Q., Halligudi, S.B., “A comparative study on liquid phase alkylation of 2-methylnaphthalene with long chain olefins using different solid acid catalysts.” Applied Catalysis, A: General 352 (2009) 74-80.

Clayton, H.S., Makhubela, B.C.E., Su, H., Smith, G.S., Moss, J.R., “Synthesis, characterization, reactivity and molecular structure of arene-osmium complexes: A new synthetic entry into…”, Polyhedron, 28 (8), p.1511-1517, Jun 2009

G.J.S. Venter, A. Roodt, R. Meijboom. Self-assembly in tetrameric 1:1 silver(I) halide:tri-p-tolylphosphine complexes: An in-depth structural investigation, Inorganica Chimica Acta, In Press. 362 (7), 2475-2479 (2009)

KP Moller, P le Grange, C Accolla, A two phase reactor model for the hydrocracking of Fischer-Tropsch derived wax, Ind Eng Chem Res, 48 (8), 3791-3801 (2009)

M.G. McKay, H.B. Friedrich, R.A. Howie, G.E.M. Maguire, “7,11,15,28-Tetrakis[(2-formylphenoxy)-methylene]-1,21,23,25-tetramethyl-recorsin[4]arene cavitand ethyl acetate clathrate at 173K.“, Acta Crystallogr., E65, o692-o693 (2009)

M.G. McKay, H.B. Friedrich, R.A. Howie, G.E.M. Maguire, “7,11,15,28-Tetrabromo-1,21,23,25-tetrakis(2-phenethyl)-resorcin[4]arene cavitand-acetone-chloroform (1/1.31/0.69) at 173K.“, Acta Crystallogr., E65, o631-o632 (2009)

N.C. Antonels, B. Therrien, J.R. Moss G.S. Smith, “Rhodium(I) iminophosphine poly(propyleneimine) dendrimers: Syntheis, characterisation and molecular structure of a mononuclear analogue”, Inorganic Chemistry Communications, 12, 716 (2009)

S. O. Ojwach, I. A. Guzei, J. Darkwa, J. Organomet. Chem. 2009, 694, 1393.

B. Omondi, A. Budhai, J. Darkwa, Acta Cryst 2009, E65, m446.

Correia L.D.C. and Clarke K.G (2009) “Measurement of the overall oxygen transfer coefficient in alkane-aqueous dispersions.” J. Chem. Technol. Biotechnol. 84 (12), 1793-1797 (2009).

2008

Synthesis, structure and some reactions of (C5Me4hex)2Ru2(CO)4. S. Ngubane, M. Hakansson, S. Jagner*, J. R. Moss*, A. Sivaramakrishna. J. of Organometallic Chemistry, 2008, 693(2), 343-348

C-H activation of benzene with Cp*Ru(CO)2CH3 J. R. Moss*, S. Ngubane, A. Sivaramakrishna, Banothile C. E. Makhubela, John E Bercaw, Jay A. Labinger, Michael W. Day, Lawrence M. Henling and Hong Su. Journal of Organometallic Chemistry, 2008, 693, 2700-2702

Platinum based mixed-metal clusters (PtnMm(CO)xLy, M = Ru or Os; n + m = 2 to 10 and Ly = other ligands)-Synthesis, structure, reactivity and applications. A. Sivaramakrishna, H. S. Clayton, B. C. E. Makhubela, J. R. Moss* Coordination Chemistry Reviews, 2008, 252(12-14), 1460-1485.

New synthesis and thermal studies of palladacycloalkanes and their precursors. T. Mahamo, F. Zheng, A. Sivaramakrishna, J. R. Moss*, G. Smith. J. of Organometallic Chemistry, 2008, 693(1), 103-108

Electrochemical production of alkoxy-substituted phenols, B Barton, S Gouws, and B Zeelie, Electrochimica Acta, 53, 2544-2549, 2008.

C. Welker, N.S. Phala, J.R. Moss, M. Claeys, E. van Steen “Theoretical Feasibility of CO-Activation and Fischer-Tropsch Chain Growth on Mono- and Diatomic Ru Complexes” Journal of Molecular Catalysis A: Chemical 288, 1-2 (2008) 75-82

The Application of Novel Dendritic Nickel Catalysts in the Oligomerization of Ethylene. R. Malgas, S.F. Mapolie, S. O. Ojwach, G.S. Smith, J. Darkwa, Catal. Communication 9 (7) (2008) 1612.

Selective isomerization of 1-alkenes by binary metal carbonyl compounds. A. Sivaramakrishna, P. Mushonga, I. L. Rogers, F. Zheng, R. J. Haines, E. Nordlander, J. R. Moss*. Polyhedron, 2008, 27(7), 1911-1916

Thermal decomposition studies of cis-bis(1-alkenyl)platinum(II) complexes. F. Zheng, A. Sivaramakrishna, J. R. Moss*. Inorganica Chimica Acta, 2008, 361(9-10), 2871-2878

S. M. Nelana, G. J. Kruger, J. Darkwa, Acta Cryst. 2008, E64, m206.

I. A. Guzei, L. C. Spencer, S. O. Ojwach, J. Darkwa, Acta Cryst. 2008, C64, m114

“7,11,15,28-Tetramethyl-1,21,23,25-tetrakis(2-phenylethyl)resorcin[4]arene cavitand ethyl acetate clathrate”, M.G. Mc Kay, H.B. Friedrich and G.E.M. Maguire, Acta Crystallogr., E64 (2008) o98.

Clarke K.G. and Correia L.D.C. (2008) “Oxygen transfer in hydrocarbon-aqueous dispersions and its applicability in alkane bioprocesses: A review.” Biochem. Eng. J. 39, 405-429

Synthesis, structure and reactivity of cis-[PtL2(1-alkenyl)2]complexes. A. Sivaramakrishna, B. C. E. Makhubela, F. Zheng, H. Su, G. Smith, J. R. Moss. Polyhedron, 2008, 27(1), 44-52

Fischer-Tropsch CO-hydrogenation on SiO2-supported osmium complexes. N. Bungane, C. Welker, E. van Steen, J. R. Moss and M. Claeys. Zeitschrift fuer Naturforschung, B: Chemical Sciences 2008, 63(3), 289-292

2007

Sivaramakrishna, Akella; Su, Hong; Moss, John R.. Selective Isomerization of cis-PtL2(1-alkenyl)2 to cis-PtL2(2-alkenyl)2 Complexes. Organometallics (2007), 26(24), 5786-5790. CODEN: ORGND7 ISSN:0276-7333.

Sivaramakrishna, Akella; Hager, Emma; Zheng, Feng; Su, Hong; Smith, Gregory S.; Moss, John R.. Synthesis and structural aspects of M-allyl (M = Ir, Rh) complexes. Journal of Organometallic Chemistry (2007), 692(23), 5125-5132.

“The Application Of Novel Dendritic Nickel Catalysts In The Oligomerization Of Ethylene”, R. Malgas, S.F. Mapolie, S.O. Ojwach, G.S. Smith, J. Darkwa, Catalysis Communications, submitted in 2007, available on-line January 2008.

Clarke K.G. and Correia LDC (In press, published on-line 2007) “Oxygen transfer in hydrocarbon-aqueous dispersions and its applicability in alkane bioprocesses: A review.” Biochem. Eng. J. 10.1016/j.bej.2007.11.020 “7,11,15,28-Tetrakis(bromomethyl)-1,21,23,25-tetrapentylresorcin[4]arene cavitand”, M.G. McKay, H.B. Friedrich, G.E.M. Maguire, Acta Crystallogr., 63 (2007) o4345.

“5,11,17,23-Tetramethyl-2,8,14,20-tetrakis(2-phenylethyl)-4,6,10,12,16,18,22,24-octahydroxycalix[4]arene methanol pentasolvate 0.10-hydrate”, H.B. Friedrich, R.A. Howie, G.E.M. Maguire, M.G. McKay, Acta Crystallogr., 63 (2007) o4346.

S. O. Ojwach, I. A. Guzei, J. Darkwa, S. F. Mapolie, Polyhedron, 2007, 26, 851.

Sivaramakrishna, Akella; Makhubela, Banothile C. E.; Zheng, Feng; Su, Hong; Smith, Gregory S.; Moss, John R.. Synthesis, structure and reactivity of cis-[PtL2(1-alkenyl)2] complexes. Polyhedron (2007), Volume Date 2008, 27(1), 44-52.

Blom, Burgert; Klatt, Guenter; Fletcher, Jack C. Q.; Moss, John R., Computational investigation of ethene trimerization catalyzed by cyclopentadienyl chromium complexes. Inorganica Chimica Acta (2007), 360(9), 2890-2896.

Sivaramakrishna, Akella; Clayton, Hadley S.; Kaschula, Catherine; Moss, John R., Transition metal-alkenyl complexes [M-(CH2)nCH=CH2, n  2]: Synthesis, structure, reactivity and applications.

Coordination Chemistry Reviews (2007), 251(9+10), 1294-1308. Sivaramakrishna, Akella; Su, Hong; Moss, John R.. High-yield synthesis of medium and large platinacycloalkanes from bis(alkenyl) precursors. Angewandte Chemie, International Edition (2007), 46(19), 3541-3543.

2006

SMIT, M.S., LABUSCHAGNE, M. (2006) Diversity of Epoxide Hydrolase Biocatalysts. Curr. Org. Chem. 10, 1145 – 1161.

SHININGAVAMWE, A., OBIERO, G., ALBERTYN, J., NICAUD, J.-M. SMIT, M. (2006) Heterologous expression of the benzoate para-hydroxylase encoding gene (CYP53B1) from Rhodotorula minuta by Yarrowia lipolytica. Appl. Microbiol. Biotechnol. 72, 323-329

CLARKE, K.G., WILLIAMS, P.C., SMIT, M.S., HARRISON, S.T.L. (2006) Enhancement and repression of the volumetric oxygen transfer coefficient through hydrocarbon addition and its influence on oxygen transfer rate in stirred tank bioreactors. Biochem. Eng. J. 28, 237 – 242.

D. Barkhuizen, E.I. Mabaso, E. Viljoen, C. Welker, M. Claeys*, E. van Steen*, J.C.Q. Fletcher* “Experimental approaches to the preparation of supported metal nano-particles”

Pure & Applied Chemistry 78/9 (2006) 1759-1769 L. C. Spencer, I. A. Guzei, S. O. Ojwach, J. Darkwa, Acta Cryst. 2006, C62, m421

2005

Dralle, K., Jaffa, N., Le Roex, T., Moss, J., Travis, S., Watermeyer N. and Sivaramakrishna, A., “A new route to metallacycloalkanes”, Chem. Comm, 2005, 3865

Khoabane, K., Mokoena, E. and Coville, N., “Synthesis and Dissolution of ammonium oxalate sol-gel templated silica”, Micropor. Mesopor. Mater., 83 (2005) 67-75

Overett, M. and Moss, J., “Synthesis of fac-[Os(CO)3(L)Me2] (L = THF or MeCN)and some reactions with PPh3 and trityl salts”, Inorg Chim Acta, 2005, 358, 1715-1718

Overett, M., Meijboom, R. and Moss, J., “New iron bis(imino)pyridyl complexes containing dendritic wedges for alkene oligomerisation”Dalton Trans, 2005, 551-555

Blom, B., Overett, M., Meijboom, R. and Moss, J., “New palladium alpha-diimine complexes containing dendritic wedges for ethene oligomerisation”, Inorg Chim Acta 2005, 358, 3491-3496

Sarish, S., Devassy, D., Böhringer, W., Fletcher, J., and Halligudi, S. (2005), “Liquid-phase alkylation of phenol with long-chain olefins over WOx/ZrO2 solid acid catalysts” Journal of Molecular Catalysis A: Chemical 240 123 – 131

Devassy, B., Shanbhag, G., Mirajkar, S., Böhringer, W., Fletcher, J. and Halligudi, S. (2005), “Silico-tungstate-modified zirconia as an efficient catalyst for phenol tert-butylation”, Journal of Molecular Catalysis A: Chemical 233 141-146

Devassy, B., Shanbhag, G., Lefebrve, F., Böhringer, W., Fletcher, J. and Halligudi, S. (2005), “Zirconia-supported phosphotungstic acid as catalyst for alkylation of phenol with benzyl alcohol”, Journal of Molecular Catalysis A: Chemical 230 113-119.

2004

Botes, F. G. and Bohringer, W., “The addition of HZSM-5 to the Fischer-Tropsch process for improved gasoline production”, Applied Catalysis, A: General (2004), 267(1-2), 217-225.

Moon, G., Böhringer, W. and O’Connor, C. T., “An investigation into factors which influence the formation of p-cresol in the methanol alkylation of phenol over MCM-22 and ZSM-5”, Catalysis Today (2004) 97(4) 291-295.

Phala, N.S., Klatt, G. and Van Steen, E., “A DFT study of hydrogen and carbon monoxide chemisorption onto small gold clusters”, Chemical Physical Letters 395 (2004), 33

Haumann, M., Meijboom, R., Moss, J.R. and Roodt, A., “Synthesis, crystal structure and hydroformylation activity of triphenylphosphite modified cobalt catalysts”, Dalton Trans., 2004, 1679-1686.