Organotin(IV) chloride complexes of bis-β-ketophosphonium ylides

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Abstract

The coordination behaviour of bis-β-ketophosphonium ylides, (Ph3P+- CRCO(CH2)nCOCR-P+Ph3) towards some organotin(IV) chlorides has been studied. Accordingly, organotin(IV) chloride complexes of the general formula (Ph3P+- CRCO(CH2)nCOCR-P+Ph3)R′xSnCl4−x (n = 0 or 2; x= 1−3) have been synthesized and characterized by analysis and IR, 1H, 13C, 31P, 119Sn NMR and Mössbauer spectroscopy. The complexes are 1:1 adducts, containing weak carbon-tin bonds and are non-electrolytes and monomeric in solution.

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