Synthesis and Characterization of O,O’-(o-, m-, p-Ditolyl/dibenzyl/diphenyldithiophosphate) Complexes with Cobalt

Autor:	Subhash C. Bajia
Rok vydání:	2011
Předmět:	Tris Denticity Ligand Inorganic chemistry chemistry.chemical_element Medicinal chemistry Inorganic Chemistry chemistry.chemical_compound Monomer chemistry Octahedral molecular geometry Chelation Lewis acids and bases Physical and Theoretical Chemistry Cobalt
Zdroj:	Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry. 41:746-749
ISSN:	1553-3182 1553-3174
DOI:	10.1080/15533174.2011.591298
Popis:	Tris(O,O′-ditolyl/dibenzyl/diphenyldithiophosphato)cobalt(III) complexes (1–5) were synthesized by the reaction of CoCl2·6H2O and NH4S2P(OR)2. Initially, the bis(O,O′-ditolyl/dibenzyl/diphenyldithiophosphato)cobalt(II) complexes were formed, oxidized to their analogous tris complexes. In this study, oxidation rate of individual dithiophosphate ligand were investigated on the basis of physical changes. Cobalt(III) complexes (1–5) were characterized by elemental analyses, conductivity measurement, TGA/DSC, and spectroscopic techniques (infrared [IR], ultraviolet [UV]-visible, 1H-, 13C-, and 31P-NMR, mass). The experimental results suggest that these complexes have distorted octahedral geometry with bidentate chelation dithiophosphate moieties. Molecular weight determinations of these complexes indicate their monomeric nature.
Databáze:	OpenAIRE
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