(4S,5R,6S,7R)-4,5,6,7,8-Pentaacetoxy-2-[1-butylamino-eth-(Z)-ylidene]-3-nitromethyl-octanoic acid ethyl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 48.0h,
以60%的产率得到(4S,5R,6S,7R)-2-[1-Butylamino-eth-(Z)-ylidene]-4,5,6,7,8-pentahydroxy-3-nitromethyl-octanoic acid ethyl ester