4,4'-苯亚甲基二吗啉 、 Diethyl-dithiocarbamic acid 2-(3,5-dibromo-2-hydroxy-phenyl)-2-oxo-ethyl ester 以
乙醇 为溶剂,
反应 2.0h,
生成
[(2S,3S)-6,8-dibromo-4-oxo-2-phenyl-2,3-dihydrochromen-3-yl] N,N-diethylcarbamodithioate 、
[(2R,3S)-6,8-dibromo-4-oxo-2-phenyl-2,3-dihydrochromen-3-yl] N,N-diethylcarbamodithioate