Benzoic acid (2S,3R,4S,5R,6S)-2-acetylsulfanylmethyl-4-(tert-butyl-diphenyl-silanyloxy)-5-methanesulfonyloxy-6-methoxy-tetrahydro-pyran-3-yl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以56%的产率得到Benzoic acid (2S,3R,4S,5R,6S)-4-(tert-butyl-diphenyl-silanyloxy)-2-mercaptomethyl-5-methanesulfonyloxy-6-methoxy-tetrahydro-pyran-3-yl ester