Syntheses, displacement behavior, hetero-atom carbene, and crystal structures of platinum complexes containing the N,N-dimethylthiocarbamoyl, Me2NCS, ligand: Structures of [Pt(PPh3)(Cl)]2(μ,η2-SCNMe2)2, [Pt(PPh3)(η2-dppa){η1-C(S)NMe2}][Cl], and [Pt(PPh3)2{η1-C(SEt)(NMe2)}(η2-S2CO)]
“…5 These complexes have been prepared from the reaction of metal carbonylates with N,N-dimethylthiocarbamoyl chloride, Me 2 NC(=S)Cl, via nucleophilic displacement of chloride, 6 nucleophilic attack by an amine on the electrophilic thiocarbonyl complex, 7 electrophilic attack at a coordinated isothiocyanate, 8 reaction of hydrosulfide with haloaminocarbene 9 or isonitrile 10 ligands, cleavage of the dithiocarbamate ligand, 11 or C-H activation of thioformamides. 12 Oxidative addition 13 of both chloride and N,Ndimethylthiocarbamoyl ligands to the metal complex are most generally used and relevant to the work described herein.…”
(PPh 3 )] 3. The geometry around the metal atom of compounds 2 and 3 are capped octahedrons as revealed by X-ray diffraction analyses. The thiocarbamoyl and ethyldithiocarbonate or pyrrolidinyldithiocarbamate ligands coordinate to the molybdenum metal center through the carbon and sulfur and two sulfur atoms, respectively. Structure parameters, NMR, IR and Mass spectra are in agreement with the crystal chemistry of the two compounds.
“…5 These complexes have been prepared from the reaction of metal carbonylates with N,N-dimethylthiocarbamoyl chloride, Me 2 NC(=S)Cl, via nucleophilic displacement of chloride, 6 nucleophilic attack by an amine on the electrophilic thiocarbonyl complex, 7 electrophilic attack at a coordinated isothiocyanate, 8 reaction of hydrosulfide with haloaminocarbene 9 or isonitrile 10 ligands, cleavage of the dithiocarbamate ligand, 11 or C-H activation of thioformamides. 12 Oxidative addition 13 of both chloride and N,Ndimethylthiocarbamoyl ligands to the metal complex are most generally used and relevant to the work described herein.…”
(PPh 3 )] 3. The geometry around the metal atom of compounds 2 and 3 are capped octahedrons as revealed by X-ray diffraction analyses. The thiocarbamoyl and ethyldithiocarbonate or pyrrolidinyldithiocarbamate ligands coordinate to the molybdenum metal center through the carbon and sulfur and two sulfur atoms, respectively. Structure parameters, NMR, IR and Mass spectra are in agreement with the crystal chemistry of the two compounds.
] (1) in dichloromethane at room temperature. Complex 2 is a dimer with each thiocarbamoyl unit coordinating through sulfur and carbon to one metal center and bridging both metals through sulfur. Complex 2 is characterized by X-ray diffraction analysis.
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