乙酸酐 、
2,6-Dimethoxy-4-((6S,7S,8R)-7-methyl-6-morpholin-4-yl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-8-yl)-phenol 在
吡啶 作用下,
生成 Acetic acid 2,6-dimethoxy-4-((6S,7S,8R)-7-methyl-6-morpholin-4-yl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-8-yl)-phenyl ester