THE ISOMERIZATION/CHLORINATION OF O,O-DIALKYL PHENYLTHIOPHOSPHONATES WITH PHOSPHORUS OXYCHLORIDE—A NEW CONVENIENT SYNTHESIS OF S-ALKYL PHENYLTHIOPHOSPHONIC ACID DERIVATIVES
1993
Abstract A new method for the synthesis of S-alkyl phenylthiophosphonic acid derivatives is reported. The chlorination of O,O-dialkyl phenylthiophosphonates with phosphorus oxychloride proceeds with isomerization to give S-alkyl phenylthiophosphonochloridates, which react further with various nucleophiles in the presence of triethylamine to give the title compounds.
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