Abstract
O,O-Alkylene dithiophosphate derivatives of the general formula ▪ (where G(OH) 2 = 2,3-dimethylbutane-2,3-diol; butane-2,3-diol; 2-methylpentane-2,4-diol) have been synthesized by treatment of potassium chloroplatinate(II) with ammonium alkylene dithiophosphate in 1:2 molar ratios. IR, NMR ( 1H and 31P) and electronic spectra along with magnetic data indicate a four-coordinated planar geometry for these derivatives similar to that reported for analogous dialkyl dithiophosphates of platinum(II). With ligands like triphenyl-phosphine/-arsine, the above derivatives form coloured (yellow to brown) 1:1 solid adducts which are soluble in halocarbons (CHCl 3 and CH 2Cl 2).
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