Sulphur substituted organotin compounds : IX. Formation of [(3-chloro-4- o-nitrophenylthio)butyl]-triphenyltin, Ph 3SnCH 2CH 2CHClCH 2SC 6H 4NO 2- o, from reaction of 4-butenyltriphenyltin and o-nitrobenzenesulphenyl chloride

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Reaction of the sulphenyl chloride, o-NO 2C 6H 4SCl, with Ph 3SnCH 2CH 2CHCH 2 occurs to give the adduct, Ph 3SnCH 2CH 2CHClCH 2SC 6H 4NO 2- o. In contrast, no adduct is formed with the more reactive, p-MeC 6H 4SCl. Instead, and as reported previously with Bu 3SnCH 2CH 2CHCH 2, the cyclopropylmethyl aryl sulphide is obtained. The adduct is thermally stable, and reacts with I 2 and HgCl 2 to give phenyld-tin cleaved products, Ph 2SnXCH 2CH 2CHClCH 2SC 6H 4NO 2- o (X = I or Cl).