(2S,3R)-2-(tert-Butyl-dimethyl-silanyloxymethyl)-3-hydroxy-4-[1-trimethylsilanyl-meth-(E)-ylidene]-pyrrolidine-1-carboxylic acid phenyl ester 在
对甲苯磺酸 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以90%的产率得到(2S,3R)-3-Hydroxy-2-hydroxymethyl-4-[1-trimethylsilanyl-meth-(E)-ylidene]-pyrrolidine-1-carboxylic acid phenyl ester