Synthesis, characterisation and reactivity of antimony(III) (O-alkyl,O-cycloalkyl and O-aryltrithiophosphates)

Antimony (III) (O-alkyl, O-cycloalkyl and O-aryltrithiophosphates) of the type [(RO)P(S)S-2](3)Sb-2 (R = Me, Et, Pr-n, Pr-i, Bu-n, Bu-s, Bu-i, Am-i, Ph and C. h. = cyclohexyl) have been synthesised for the first time by the reaction of antimony trichloride with potassium trithiophosphates in 2:3 molar ratio. Reactivity of these compounds has been studied by the reactions of these compounds with halogens and Lewis acids such as anhydrous aluminium trichloride. These new compounds have been characterised by elemental analysis, TGA as well as IR, C-13 NMR, P-31 NMR and solid state Al-27 NMR spectral studies and tentative structures have been proposed.