乙酸酐 、
3-acetoxy-1,5-epoxy-1-(3,4-dihydroxy-5-methoxyphenyl)-7-(4-hydroxy-3-methoxyphenyl)heptane 以
吡啶 为溶剂,
以4.0 mg的产率得到Acetic acid 2-acetoxy-5-{(2S,4R,6S)-4-acetoxy-6-[2-(4-acetoxy-3-methoxy-phenyl)-ethyl]-tetrahydro-pyran-2-yl}-3-methoxy-phenyl ester