Activation of P-chiral dialkyl phosphates with triphenylphosphine-carbon tetrachloride involves intermediate phosphonium salt 1 which undergoes nucleophilic attack by aniline or pyridine with inversion of configuration at the chiral phosphorus atom.
用
三苯基膦-
四氯化碳活化P-手性二烷基
磷酸酯涉及中间体phospho盐1,该中间体phospho盐受到
苯胺或
吡啶的亲核攻击,且在手性
磷原子处的构型反转。