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- W1964570505 abstract "The preparation of a series ofbis(2-thiaalkyl)platinum(II) complexes,cis-Pt(CH 2SR) 2L 1 2{R = Ph,L 1 = PPh 3, PMe 3,PMe 2Ph, PMePh 2 orL 1 2 = dppe[1,2-bis(diphenylphosphino)ethane], dmpe[1,2-bis(dimethylphosphino)ethane], dcpe[1,2-bis(dicyclohexylphosphino)ethane], dppm[bis(diphenylphosphino)methane];R = C 6H 4Me-p,L 1 = PPh 3, PMe 3,PMe 2Ph or L 1 2 = dppe,dmpe; R = Me,L 1 = PPh 3, PMe 3,PMePh 2 orL 1 2 = dppe} and theircharacterisation by 1H, 13C and 31P NMRspectroscopy, are described. The relative trans influence of arange of heteromethyl ligands, CH 2YR n, isdiscussed [Y = S, Si, Ge, Sn and C;R = (variously) alkyl, aryl, alkenyl or alkynyl;n = (appropriately) 1 or 3]. Also reported arethe formation and characteristics of the dinuclearplatinum(II) species,[Pt(CH 2SCH 3)(µ-CH 2SCH 3)(PPh 3)] 2, containing bridging thiaalkyl ligands ina six-membered dimetallacycle. Thermolytic rearrangement ofPt(CH 2SPh) 2(dppe) leads to a metallacyclicproduct,Pt(C 6H 4SCH 2)(dppe). Thesyntheses and spectroscopic identification of asymmetric complexescis-Pt(CH 2SR)R′(PPh 3) 2(R = Ph, R′ = Me,C 6H 4Bu t-p,CH 2CMe 2Ph, CH 2SiMe 2Ph;R = Me,R′ = CH 2SiMe 3) are alsoreported, as are unsuccessful attempts to isolate related complexescis-Pt(CH 2SR) 2L 2[L 2 = polypyridyl N donor; L =P(OMe) 3]. The molecular structures ofcis-Pt(CH 2SPh) 2(PPh 3) 2·0.5CH 2Cl 2,[Pt(CH 2SCH 3)(µ-CH 2SCH 3)(PPh 3)] 2 andcis-Pt(CH 2SPh)(CH 3)(PPh 3) 2 have been determined by X-ray diffractometry. Oxidativeaddition of ClCH 2SPh to appropriatedimethylplatinum(II) precursors has afforded twoplatinum(IV) derivatives,PtCl(CH 2SPh)Me 2(dmpe) andPtCl(CH 2SPh)Me 2(bipy)(bipy = 2,2′-bipyridyl), of differingstereochemistry." @default.
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- W1964570505 date "1997-01-01" @default.
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- W1964570505 title "Syntheses and structural characteristics of [2-thiaalkyl]platinum complexes with phosphorus- and nitrogen-donor ligands" @default.
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- W1964570505 doi "https://doi.org/10.1039/a703870d" @default.
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