Reduction of antimony(V) by dithiophosphinates and the crystal structure of dimeric diphenylantimony(III) dimethyldithiophosphinate

Add time:07/22/2019    Source:sciencedirect.com

Reactions between three diorganodithiophosphinates and diphenylantimony(V) bromide oxide (SbPh2OBr)2, led to antimony reduction while dithiophosphinate oxidation followed a complex path varying in detail with the nature of the organic groups on dithiophosphinate. Antimony(III) dithiophosphinates, SbPh2(S2PR2) where R  Me, Et and Ph, have been isolated and characterised and an X-ray structure determination for the methyl derivative shows weakly associated dimers in the solid state, intermediate between those in (SbPh2S2PPh2)2 and [Sb(4-MeC6H4)2S2PEt]2.

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