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1

Perspective and future prospects of tandem olefin oligomerization and Friedel–Crafts alkylation reactions catalyzed by iron, cobalt, nickel and palladium complexes

Ojwach, Stephen O., Darkwa, James

Journal:

Catalysis Science & Technology

Year:

2019

File:

PDF, 6.34 MB

2019

2

Review of comparative studies of cytotoxic activities of Pt(II), Pd(II), Ru(II)/(III) and Au(III) complexes, their kinetics of ligand substitution reactions and DNA/BSA interactions

Omondi, Reinner O., Ojwach, Stephen O., Jaganyi, Deogratius

Journal:

Inorganica Chimica Acta

Year:

2020

File:

PDF, 1.15 MB

2020

3

Unsymmetrical (pyrazolylmethyl)pyridine metal complexes as catalysts for ethylene oligomerization reactions: Role of solvent and co-catalyst in product distribution

Nyamato, George S., Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2014

Language:

english

File:

PDF, 1.02 MB

english, 2014

4

Potential Hemilabile (Imino)pyridine Palladium(II) Complexes as Selective Ethylene Dimerization Catalysts: An Experimental and Theoretical Approach

Nyamato, George S., Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Organometallics

Year:

2015

Language:

english

File:

PDF, 1.71 MB

english, 2015

5

(Pyrazol-1-ylmethyl)pyridine palladium complexes: Synthesis, molecular structures, and activation of small molecules

Stephen O. Ojwach, Ilia A. Guzei, J. Darkwa

Journal:

Journal of Organometallic Chemistry

Year:

2009

Language:

english

File:

PDF, 509 KB

english, 2009

6

Ethylene oligomerization studies by nickel( ii ) complexes chelated by (amino)pyridine ligands: experimental and density functional theory studies

Nyamato, George S., Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Dalton Transactions

Year:

2016

Language:

english

File:

PDF, 880 KB

english, 2016

7

Structurally rigid bis(pyrazolyl)pyridine Zn(II) and Cu(II) complexes: Structures and kinetic studies in ring-opening polymerization of ε-caprolactone

Zikode, Mnqobi, Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Applied Organometallic Chemistry

Year:

2016

Language:

english

File:

PDF, 518 KB

english, 2016

8

Bis(pyrazolylmethyl)pyridine Zn(II) and Cu(II) complexes: Molecular structures and kinetic studies of ring-opening polymerization of ε-caprolactone

Zikode, Mnqobi, Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2016

Language:

english

File:

PDF, 1.37 MB

english, 2016

9

(Pyridyl)benzoazole ruthenium(III) complexes: kinetics of ligand substitution reaction and potential cytotoxic properties

Omondi, Reinner Ochola, Jaganyi, Deogratius, Ojwach, Stephen Otieno, Fatokun, Amos Akintayo

Journal:

Inorganica Chimica Acta

Year:

2018

Language:

english

File:

PDF, 1.32 MB

english, 2018

10

(Pyrazolyl)-(phosphinoyl)pyridine iron(II), cobalt(II) and nickel(II) complexes: Synthesis, characterization and ethylene oligomerization studies

Nyamato, George S., Alam, Mohd Gulfam, Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Journal of Organometallic Chemistry

Year:

2015

Language:

english

File:

PDF, 602 KB

english, 2015

11

ChemInform Abstract: Pyrazole and (Pyrazol-1-yl)metal Complexes as Carbon—Carbon Coupling Catalysts

Stephen O. Ojwach, James Darkwa

Journal:

Year:

2010

File:

PDF, 15 KB

2010

12

Nickel(II) complexes chelated by N^N (benzimidazolylmethyl)amine ligands: Synthesis and catalytic behavior in tandem ethylene oligomerization and Friedel-crafts alkylation reactions.

Ngcobo, Makhosonke, Ojwach, Stephen O.

Journal:

Inorganica Chimica Acta

Year:

2017

Language:

english

File:

PDF, 385 KB

english, 2017

13

Occurrence of polycyclic aromatic hydrocarbons in water and sediment samples from KwaZulu Natal Province, South Africa

Ngubo, Ayanda, Mahlambi, Precious N., Ojwach, Stephen O.

Journal:

Water and Environment Journal

Year:

2020

File:

PDF, 963 KB

2020

14

Chelating (pyrazolylmethyl)pyridine ligands: Coordination chemistry and binding properties with zinc(II) and cadmium(II) cations

Ojwach, Stephen O., Nyamato, George S., Omondi, Benard, Darkwa, James

Journal:

Inorganica Chimica Acta

Year:

2012

Language:

english

File:

PDF, 662 KB

english, 2012

15

Palladium complexes of (benzoimidazol-2-ylmethyl)amine ligands as catalysts for methoxycarbonylation of olefins

Tshabalala, Thandeka A., Ojwach, Stephen O., Akerman, Matthew A.

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2015

Language:

english

File:

PDF, 2.34 MB

english, 2015

16

Orientation towards asymmetric transfer hydrogenation of ketones catalyzed by (pyrazolyl)ethyl)pyridine Fe(II) and Ni(II) complexes

Magubane, Makhosazane N., Alam, Mohd Gulfam, Ojwach, Stephen O., Munro, Orde Q.

Journal:

Journal of Molecular Structure

Year:

2017

Language:

english

File:

PDF, 718 KB

english, 2017

17

Ethylene oligomerization reactions catalyzed by homogeneous and silica immobilized NˆO Fe(II) and Co(II) complexes

Jayamani, Arumugam, Nyamato, George S., Ojwach, Stephen O.

Journal:

Journal of Organometallic Chemistry

Year:

2019

Language:

english

File:

PDF, 1.28 MB

english, 2019

18

Palladium(II) complexes of (pyridyl)imine ligands as catalysts for the methoxycarbonylation of olefins

Zulu, Zethu, Nyamato, George S., Tshabalala, Thandeka A., Ojwach, Stephen O.

Journal:

Inorganica Chimica Acta

Year:

2019

Language:

english

File:

PDF, 1.09 MB

english, 2019

19

Metal-Catalyzed Alkene Functionalization Reactions Towards Production of Detergent and Surfactant Feedstocks

Alam, Mohd. Gulfam, Tshabalala, Thandeka A., Ojwach, Stephen O.

Journal:

Journal of Surfactants and Detergents

Year:

2017

Language:

english

File:

PDF, 614 KB

english, 2017

20

Kinetics, mechanisms and polymer property studies of ring-opening polymerization of ɛ-caprolactone and lactides initiated by (benzimidazolylmethyl)amino Zn(II) alkoxides

Akpan, Ekemini D., Omondi, Bernard, Ojwach, Stephen O.

Journal:

Polymer Bulletin

Year:

2018

Language:

english

File:

PDF, 582 KB

english, 2018

21

Bis(pyrazolyl) palladium(II), platinum(II) and gold(III) complexes: Syntheses, molecular structures and substitution reactions with l-cysteine

Frankline K. Keter, Stephen O. Ojwach, Olayinka A. Oyetunji, Ilia A. Guzei, James Darkwa

Journal:

Inorganica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 498 KB

english, 2009

22

[Bis(pyridin-2-ylmethyl) ether]trichloridorhodium(III) dichloromethane monosolvate: unusual hydrolysis of the methylene bridge in (pyrazolylmethyl)pyridine

Ojwach, Stephen O., Omondi, Bernard, Darkwa, James

Journal:

Acta Crystallographica Section E Structure Reports Online

Year:

2011

Language:

english

File:

PDF, 591 KB

english, 2011

23

Comparative Study of Homogeneous and Silica Immobilized N^N and N^O Palladium(II) Complexes as Catalysts for Hydrogenation of Alkenes, Alkynes and Functionalized Benzenes

Akiri, Saphan O., Ngcobo, Nondumiso L., Ojwach, Stephen O.

Journal:

Catalysis Letters

Year:

2020

Language:

english

File:

PDF, 1.42 MB

english, 2020

24

Palladium(II) complexes of tridentate bis(benzazole) ligands: Structural, substitution kinetics, DNA interactions and cytotoxicity studies

Omondi, Reinner O., Bellam, Rajesh, Ojwach, Stephen O., Jaganyi, Deogratius, Fatokun, Amos A.

Journal:

Journal of Inorganic Biochemistry

Year:

2020

File:

PDF, 1.46 MB

2020

25

(Pyridyl)benzoazole palladium(II) complexes as homogeneous catalysts in hydrogenation of alkenes and alkynes

Ojwach, Stephen O., Ogweno, Aloice O., Akerman, Mathew P.

Journal:

Catalysis Science & Technology

Year:

2016

Language:

english

File:

PDF, 1.22 MB

english, 2016

26

Structural elucidation of N^O (ethylimino-methyl)phenol Fe(II) and Co(II) complexes and their applications in ethylene oligomerization catalysis

Ngcobo, Makhosonke, Nyamato, George S., Ojwach, Stephen O.

Journal:

Molecular Catalysis

Year:

2019

File:

PDF, 1.80 MB

2019

27

Spatial Distribution and Temporal Trend in Concentration of Carbofuran, Diazinon and Chlorpyrifos Ethyl Residues in Sediment and Water in Lake Naivasha, Kenya

Peter O. Otieno, Karl-Werner Schramm, Gerd Pfister, Joseph O. Lalah, Stephen O. Ojwach, Munir Virani

Journal:

Bulletin of Environmental Contamination and Toxicology

Year:

2012

Language:

english

File:

PDF, 288 KB

english, 2012

28

Fischer Carbene Complexes of Iridium(I) for Application in Catalytic Transfer Hydrogenation

Ramollo, G. Kabelo, Strydom, Ian, Fernandes, Manuel A., Lemmerer, Andreas, Ojwach, Stephen O., van Wyk, Juanita L., Bezuidenhout, Daniela I.

Journal:

Inorganic Chemistry

Year:

2020

Language:

english

File:

PDF, 1.95 MB

english, 2020

29

Pyrazole and (pyrazol-1-yl)metal complexes as carbon–carbon coupling catalysts

Stephen O. Ojwach, James Darkwa

Journal:

Inorganica Chimica Acta

Year:

2010

Language:

english

File:

PDF, 1.33 MB

english, 2010

30

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

Njoroge, Martha W., Ojwach, Stephen O., Nyamato, George S., Omondi, Bernard, Darkwa, James

Journal:

Journal of Coordination Chemistry

Year:

2013

Language:

english

File:

PDF, 246 KB

english, 2013

31

Neutral and cationic (pyrazolylmethyl)pyridine palladium(II) complexes: kinetics and chemoselectivity studies in hydrogenation of alkenes and alkynes

Ojwach, Stephen O., Ogweno, Aloice O.

Journal:

Transition Metal Chemistry

Year:

2016

Language:

english

File:

PDF, 806 KB

english, 2016

32

Synthesis, characterization and biomolecular interactions of Cu(II) and Ni(II) complexes of acyclic Schiff base ligand

Jayamani, Arumugam, Sethupathi, Murugan, Ojwach, Stephen O., Sengottuvelan, Nallathambi

Journal:

Inorganic Chemistry Communications

Year:

2017

Language:

english

File:

PDF, 1019 KB

english, 2017

33

(Pyrazolyl)pyridine ruthenium(III) complexes: Synthesis, kinetics of substitution reactions with thiourea and biological studies

Omondi, Reinner O., Ojwach, Stephen O., Jaganyi, Deogratius, Fatokun, Amos A.

Journal:

Inorganic Chemistry Communications

Year:

2018

Language:

english

File:

PDF, 1.12 MB

english, 2018

34

Structural and theoretical studies of the methoxycarbonylation of higher olefins catalysed by (Pyrazolyl‐ethyl)pyridine palladium (II) complexes

Zulu, Siyabonga, Alam, Mohd.G., Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Applied Organometallic Chemistry

Year:

2019

Language:

english

File:

PDF, 1.18 MB

english, 2019

35

Preparation, characterization of fish scales biochar and their applications in the removal of anionic indigo carmine dye from aqueous solutions

Achieng, George O., Kowenje, Chrispin O., Lalah, Joseph O., Ojwach, Stephen O.

Journal:

Water Science and Technology

Year:

2020

File:

PDF, 648 KB

2020

36

Perspective and future prospects of tandem olefin oligomerization and Friedel–Crafts alkylation reactions catalyzed by iron, cobalt, nickel and palladium complexes

Ojwach, Stephen O., Darkwa, James

Journal:

Catalysis Science & Technology

Year:

2019

Language:

english

File:

PDF, 6.34 MB

english, 2019

37

(Pyrazol-1-yl)carbonyl palladium complexes as catalysts for ethylene polymerization reaction

Mkoyi, Hosana D., Ojwach, Stephen O., Guzei, Ilia A., Darkwa, James

Journal:

Journal of Organometallic Chemistry

Year:

2013

Language:

english

File:

PDF, 568 KB

english, 2013

38

Packing forces in dichloridobis(3,5-diphenyl-1 H -pyrazole-κ N 2 )cobalt(II) dichloromethane hemisolvate

Nyamato, George S., Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Acta Crystallographica Section C Structural Chemistry

Year:

2014

Language:

english

File:

PDF, 442 KB

english, 2014

39

Structural, kinetics and mechanistic studies of transfer hydrogenation of ketones catalyzed by chiral (pyridyl)imine nickel(II) complexes

Kumah, Robert Tettey, Tsaulwayo, Nokwanda, Xulu, Bheki, Ojwach, Stephen O.

Journal:

Dalton Transactions

Year:

2019

File:

PDF, 3.69 MB

2019

40

Nickel(II) complexes bearing pyrazolylpyridines: synthesis, structures and ethylene oligomerization reactions

Nyamato, George S., Alam, Mohd. Gulfam, Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Applied Organometallic Chemistry

Year:

2016

Language:

english

File:

PDF, 446 KB

english, 2016

41

Tuning the regioselectivity of (benzimidazolylmethyl)amine palladium(II) complexes in the methoxycarbonylation of hexenes and octenes

Tshabalala, Thandeka A., Ojwach, Stephen O.

Journal:

Transition Metal Chemistry

Year:

2018

Language:

english

File:

PDF, 717 KB

english, 2018

42

Pyrazolyl iron, cobalt, nickel, and palladium complexes: synthesis, molecular structures, and evaluation as ethylene oligomerization catalysts

Michael K. Ainooson, Stephen O. Ojwach, Ilia A. Guzei, Lara C. Spencer, James Darkwa

Journal:

Journal of Organometallic Chemistry

Year:

2011

Language:

english

File:

PDF, 448 KB

english, 2011

43

Zn( ii ) and Cu( ii ) formamidine complexes: structural, kinetics and polymer tacticity studies in the ring-opening polymerization of ε-caprolactone and lactides

Akpan, Ekemini D., Ojwach, Stephen O., Omondi, Bernard, Nyamori, Vincent O.

Journal:

New Journal of Chemistry

Year:

2016

Language:

english

File:

PDF, 2.67 MB

english, 2016

44

Structural and kinetic studies of the ring-opening polymerization of cyclic esters using N,N’ diarylformamidines Zn(II) complexes

Akpan, Ekemini D., Ojwach, Stephen O., Omondi, Bernard, Nyamori, Vincent O.

Journal:

Year:

2016

Language:

english

File:

PDF, 1.28 MB

english, 2016

45

Cationic pyridyl(benzoazole) ruthenium(II) complexes: Efficient and recyclable catalysts in biphasic hydrogenation of alkenes and alkynes

Ogweno, Aloice O., Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Applied Catalysis A: General

Year:

2014

Language:

english

File:

PDF, 1.24 MB

english, 2014

46

Furoyl and thiophene carbonyl linker pyrazolyl palladium(II) complexes Synthesis, characterization, and evaluation as ethylene oligomerization catalysts

Ojwach, Stephen O, Tshivhase, Mmboneni G, Guzei, Ilia A, Darkwa, James, Mapolie, Selwyn F

Journal:

Canadian Journal of Chemistry

Year:

2005

File:

PDF, 207 KB

2005

47

(Benzimidazolylmethyl)amine Zn II and Cu II Carboxylate Complexes: Structural, Mechanistic and Kinetic Studies of Polymerisation Reactions of ϵ-Caprolactone

Attandoh, Nelson W., Ojwach, Stephen O., Munro, Orde Q.

Journal:

European Journal of Inorganic Chemistry

Year:

2014

Language:

english

File:

PDF, 1.18 MB

english, 2014

48

Copper(II) complexes of bidentate mixed ligands as artificial nucleases: Synthesis, crystal structure, characterization and evaluation of biological properties

Jayamani, Arumugam, Bellam, Rajesh, Gopu, Gopalakrishnan, Ojwach, Stephen O., Sengottuvelan, Nallathambi

Journal:

Year:

2018

Language:

english

File:

PDF, 1.99 MB

english, 2018

49

Ring-opening polymerization of ε-caprolactone catalysed by (pyridyl)benzoazole Zn(II) and Cu(II) complexes

Zaca, Thembisile P., Ojwach, Stephen O., Akerman, Matthew P.

Journal:

Transition Metal Chemistry

Year:

2016

Language:

english

File:

PDF, 1.18 MB

english, 2016

50

Structural elucidation of N^O (ethylimino-methyl)phenol Fe(II) and Co(II) complexes and their applications in ethylene oligomerization catalysis

Ngcobo, Makhosonke, Nyamato, George S., Ojwach, Stephen O.

Journal:

Molecular Catalysis

Year:

2019

Language:

english

File:

PDF, 1.80 MB

english, 2019

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