Unsymetrical diaryl sulfones having electron-withdrawing substituents have been synthesized from arenesulfonyl chlorides and activated 4-chloro-3-nitroarenes in excellent yield under triphase phase-transfer catalytic conditions.
具有电子吸引取代基的不对称二芳基砜已通过三相相转移催化条件下,从芳
磺酰氯和活化的4-
氯-
3-硝基
芳烃合成,产率极佳。