[2-(tert-butyldimethylsiloxy)ethyl]methylcarbamoyl chloride 、
2-[(4-hydroxyphenyl)thio]-7-isopropoxy-5,6-dimethoxy-4H-chromen-4-one 在
吡啶 作用下,
反应 24.0h,
以100%的产率得到2-{{4-{{[2-(tert-butyldimethylsilyloxy)ethyl]methylcarbamoyl}oxy}phenyl}thio}-7-isopropoxy-5,6-dimethoxy-4H-chromen-4-one