N-hydroxy-N-phenylamides rearranges mainly to the ortho position of the N-phenyl ring by the system (n-Bu)3P-CCl4-CH3CN; use of less than a stoichiometric amount of (n-Bu)3P is effective for this reaction.
N-羟基-N-苯基酰胺的羟基主要通过(n-Bu)3P-
CCl4-CH3CN体系重排到N-苯环的邻位;使用小于
化学计量量的 (n-Bu)3P 对该反应是有效的。