(1S,2R,3S,4R,1'R)-(+)-2,3-isopropylidenedioxy-4-(1'-ethyl-1'-hydroxy-1'-methoxycarbonylmethyl)cyclopentane-1-carboxylic acid methyl ester 在
盐酸 作用下,
生成 (1S,2R,3S,4R,1'R)-(+)-2,3-dihydroxy-4-(1'-ethyl-1'-hydroxy-1'-methoxycarbonylmethyl)cyclopentane-1-carboxylic acid methyl ester