Five-co-ordinate and phosphonium intermediates in reactions of phosphorus thionesters, >P(S)OR, with elemental chlorine and sulphuryl chloride
Abstract
The results of stereochemical and product studies on the chlorination of phosphorus thionesters are rationalized in terms of phosphonium and five-co-ordinate intermediates which in the case of thionophos-phonates and cyclic five-membered thionophosphates undergo nucleophilic ligand exchange.
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