Search Results - "Ongoma, Peter"

Mechanistic elucidation of linker and ancillary ligand substitution reactions in Pt(II) dinuclear complexes by Ongoma, Peter O, Jaganyi, Deogratius

“…The rate of substitution of aqua ligands by three nucleophiles, thiourea (TU), N,N-dimethylthiourea (DMTU) and N,N,N,N-tetramethylthiourea (TMTU), for the…”
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Studies of chromium removal from tannery wastewaters by algae biosorbents, Spirogyra condensata and Rhizoclonium hieroglyphicum by Onyancha, Douglas, Mavura, Ward, Ngila, J. Catherine, Ongoma, Peter, Chacha, Joseph

“…Chromium in the effluent is a major concern for tanning industry. Chemical precipitation methods are commonly employed for the removal of chromium but this…”
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Detailed mechanistic study on ligand substitution reactions in dinuclear platinum(II) complexes: effect of alkanediamine linker by Ongoma, Peter O., Jaganyi, Deogratius

“…Substitution of the coordinated water ligands from the cis -[{Pt(NH 3 ) 2 H 2 O} 2 -μ-NH 2 (CH 2 ) n NH 2 ] 4+ ( n  = 2–4, 6, 8, 10) complexes: EnPt , PropPt ,…”
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Bridge-Splitting Reactions of Platinum(II) Complexes with Parametalated Pyridine Spacer Groups: A Kinetic and Mechanistic Study by Ongoma, Peter O., Jaganyi, Deogratius

“…ABSTRACT Substitution reactions of three dinuclear Pt(II) complexes connected by a pyridine‐bridging ligand of variable length, namely…”
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Crystal Structures of Half-Sandwich Ru(II) Complexes, [(η6-p-Cymene)(3-chloro-6-(1H-pyrazol-1-yl)pyridazine)Ru(X)]BF4, (X = Cl, Br, I) by Mambanda, Allen, Ongoma, Peter, Gichumbi, Joel, Omondi, Reinner O., Hunter, Leigh A., Kanyora, Amos K.

“…Herein, we report the synthesis and single-crystal X-ray structures of three (η6-p-cymene)Ru(II) tetrafluoroborate salts, viz.,…”
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Substitution reactions in dinuclear platinum(II) complexes: an evaluation of the influence of the diazine-bridging ligand on reactivity by Ongoma, Peter O., Jaganyi, Deogratius

“…A kinetic study of aqua substitution in dinuclear Pt(II) complexes, [{cis-Pt(OH 2 )(NH 3 ) 2 } 2 -μ-pmn](ClO 4 ) 2 ( pmn ), [{cis-Pt(OH 2 )(NH 3 ) 2 } 2…”
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Chlorido-(η6-p-cymene)-(bis(pyrazol-1-yl)methane-κ2N,N′)Osmium(II) Tetrafluoroborate, C17H22BClF4N4Os by Mambanda, Allen, Kanyora, Amos K., Ongoma, Peter, Gichumbi, Joel, Omondi, Reinner O.

“…The powder of the arene osmium(II) complex, [Os(II)(dpzm)(η6-p-cym)Cl]BF4 (dpzm = di(1H-pyrazol-1-yl)methane; η6-p-cym = para-cymene), with a formula of…”
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The π-acceptor effect in the substitution reactions of tridentate N-donor ligand complexes of platinum(II): a detailed kinetic and mechanistic study by Ongoma, Peter, Jaganyi, Deogratius

“…The nucleophilic substitution reactions of complexes [Pt{4'-(2'''-CH(3)-phenyl)-2,2':6',2''-terpyridine}Cl]CF(3)SO(3), [CH(3)PhPtCl],…”
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Mononuclear η6-arene ruthenium(II) complexes with pyrazolyl–pyridazine ligands: synthesis, CT-DNA binding, reactivity towards glutathione, and cytotoxicity by Kanyora, Amos K., Omondi, Reinner O., Ongoma, Peter, Omolo, Josiah O., Welsh, Athi, Prince, Sharon, Gichumbi, Joel, Mambanda, Allen, Smith, Gregory S.

“…Organometallic η 6 -arene ruthenium(II) complexes with 3-chloro-6-(1 H -pyrazol-1-yl)pyridazine ( Ru1 , Ru2, and Ru5 ) and…”
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Crystal Structures of Half-Sandwich Ru by Mambanda, Allen, Ongoma, Peter, Gichumbi, Joel, Omondi, Reinner O, Hunter, Leigh A, Kanyora, Amos K

“…Herein, we report the synthesis and single-crystal X-ray structures of three (η[sup.6] -p-cymene)Ru(II) tetrafluoroborate salts, viz., [(η[sup.6]…”
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Chlorido- Tetrafluoroborate, C[sub.17]H[sub.22]BClF[sub.4]N[sub.4]Os by Mambanda, Allen, Kanyora, Amos K, Ongoma, Peter, Gichumbi, Joel, Omondi, Reinner O

“…The powder of the arene osmium(II) complex, [Os(II)(dpzm)(η[sup.6] -p-cym)Cl]BF[sub.4] (dpzm = di(1H-pyrazol-1-yl)methane; η[sup.6] -p-cym = para-cymene), with…”
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Mononuclear η 6 -arene ruthenium(II) complexes with pyrazolyl-pyridazine ligands: synthesis, CT-DNA binding, reactivity towards glutathione, and cytotoxicity by Kanyora, Amos K, Omondi, Reinner O, Ongoma, Peter, Omolo, Josiah O, Welsh, Athi, Prince, Sharon, Gichumbi, Joel, Mambanda, Allen, Smith, Gregory S

“…Organometallic η -arene ruthenium(II) complexes with 3-chloro-6-(1H-pyrazol-1-yl)pyridazine (Ru1, Ru2, and Ru5) and…”
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Studies of Chromium Removal from Tannery Wastewaters by Algae Biosorbents, Spirogyra condensate and Rhizoclonium hieroglyphicum by Onyancha, Douglas, Mavura, Ward, Ngila, JCatherine, Ongoma, Peter, Chacha, Joseph

“…Biosorption of chromium by Spirogyra condensata and Rhizoclonium hieroglyphicum from aqueous media and its recovery from the biosorbents using dilute acids is…”
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