[(2R,3R,4R,5R)-3,4-diacetoxy-5-[3-(3,4-dimethoxyphenyl)-4-hydroxy-2-oxo-1-pyridyl]tetrahydrofuran-2-yl]methyl acetate 在
甲醇 、
potassium carbonate 作用下,
反应 5.0h,
以85%的产率得到1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-3-(3,4-dimethoxyphenyl)-4-hydroxy-pyridin-2-one