[(5S,6S,7S,8R)-8-acetyloxy-2-[2-(3-acetyloxy-4-methoxyphenyl)ethyl]-5,6-dihydroxy-4-oxo-5,6,7,8-tetrahydrochromen-7-yl] acetate 、
对甲氧基苯甲酰氯 在
吡啶 作用下,
以3.1mg的产率得到[(5S,6S,7S,8R)-7,8-diacetyloxy-2-[2-(3-acetyloxy-4-methoxyphenyl)ethyl]-5-(4-methoxybenzoyl)oxy-4-oxo-5,6,7,8-tetrahydrochromen-6-yl] 4-methoxybenzoate