Dr. Nyamato G. Simba Publications
Publications in Journals:
- Jayamani, A; Nyamato, S. G; Ojwach, S. O. Ethylene oligomerization reactions catalyzed by homogeneous and silica immobilized NˆO Fe(II) and Co(II) complexes. Journal of Organometallic Chemistry 2019, 903 120987. https://doi.org/10.1016/j.jorganchem.2019.120987
- Ngcobo, M; Nyamato, G. S.; Ojwach, S. O.; (2019). Structural elucidation of N^O (ethylimino-methyl)phenol Fe(II) and Co(II) complexes and their applications in ethylene oligomerization catalysis. Molecular Catalysis, Volume 478, 2019, 110590, ISSN 2468-8231, https://doi.org/10.1016/j.mcat.2019.110590.
- Magubane, M. N.; Nyamato, G. S.; Ojwach, S. O.; Munro, O. Q. Structural, kinetic, and DFT studies of the transfer hydrogenation of ketones mediated by (pyrazole)pyridine iron(II) and nickel(II) complexes. RSC Adv., 2016, 6, 65205–65221.
- Nyamato, G. S.; Ojwach, S. O.; Akerman, M. P. Ethylene oligomerization studies by nickel(II) complexes chelated by (amino)pyridine ligands: experimental and density functional theory studies. Dalton Trans., 2016, 45, 3407-3416.
- Nyamato, G. S.; Alam, M. G., Ojwach, S. O.; Akerman, M. P. Nickel(II) complexes bearing pyrazolylpyridines: synthesis, structures and ethylene oligomerization reactions. Appl. Organometal. Chem., 2016, 30, 89-94.
- Nyamato, G. S.; Ojwach, S. O.; Akerman, M. P. Potential hemilabile (imino)pyridine palladium(II) complexes as selective ethylene dimerization catalysts: An experimental and theoretical approach. Organometallics 2015, 34, 5647-5657.
- Nyamato, G. S.; Alam, M. G.; Ojwach, S. O.; Akerman, M. P. (Pyrazolyl)-(phosphinoyl)pyridine iron(II), cobalt(II) and nickel(II) complexes: Synthesis, characterization and ethylene oligomerization studies. Journal of Organometallic Chemistry 2015, 783, 64-72.
- Nyamato, G. S.; Ojwach, S. O.; Akerman, M. P. Unsymmetrical (pyrazolylmethyl)-pyridine metal complexes as catalysts for ethylene oligomerization reactions: Role of solvent and co-catalyst in product distribution. Journal of Molecular Catalysis A: Chemical 2014, 394, 274–282.
- Nyamato, G. S.; Ojwach, S. O.; Akerman, M. P. Packing forces in dichloridobis(3,5-diphenyl-1H-pyrazole-kN2)cobalt(II) dichloromethane hemisolvate. Acta Cryst. 2014, C70, 780-783.
- Njoroge, M. W.; Ojwach, S. O.; Nyamato, G. S.; Omondi, B.; Darkwa, J. Coordination behavior and binding properties of (3,5-dimethyl-1H-pyrazol-1-yl)ethanol with Cu(II), Zn(II), Cd(II), and Pb(II) metals. Journal of Coordination Chemistry 2013, 66:9, 1626-1634.
- Ojwach, S. O.; Nyamato, G. S.; Omondi, B.; Darkwa, J.; Okoth, A. O. Multidentatebis(pyrazolylmethyl)pyridine ligands: coordination chemistry and binding properties with zinc(II) and cadmium(II) cations. Journal of Coordination Chemistry 2012, 65:2, 298-307.
- Ojwach, S. O.; Nyamato, G. S.; Omondi, B.; Darkwa, J.; Okoth, A. O. Chelating (pyrazolylmethyl)pyridine ligands: Coordination chemistry and binding properties with zinc(II) and cadmium(II) cations. Inorganica Chimica Acta 2012, 392, 141–147.
Presentation of Papers at Academic and Professional Conferences
- George S. Nyamato and Stephen O. Ojwach, 43rd SACI National Convention 2018, CSIR-ICC in Pretoria, South Africa, 2nd - 7th December 2018, Ethylene oligomerization studies by nickel(II) complexes chelated by (amino)pyridine ligands.
- George S. Nyamato, Stephen O. Ojwach and Matthew P. Akerman, 9th International KCS conference, United States International University-Africa, Nairobi, 9th May -12th May 2017, Iminopyridine Palladium(II) Complexes: Synthesis, Characterization, DFT Studies and Precursors for Ethylene Oligomerization.
- George S. Nyamato, Stephen O. Ojwach and Matthew P. Akerman, SACI INORG 2015, Rhodes University, South Africa, 28th June -2nd July 2015, (Imino)pyridine palladium(II) complexes: Experimental, theoretical studies and as ethylene oligomerization catalysts.