Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[6-(2-chloro-phenyl)-2-mercapto-5,6-dihydro-pyrimidin-4-yl]-phenoxy}-tetrahydro-pyran-3-yl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以66%的产率得到(2S,3R,4S,5S,6R)-2-{4-[6-(2-Chloro-phenyl)-2-mercapto-5,6-dihydro-pyrimidin-4-yl]-phenoxy}-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol