[1-(2-Iodo-ethyl)-2-methyl-5-oxo-pyrrolidin-2-yl]-acetic acid methyl ester 在
双(三甲基硅烷基)氨基钾 作用下,
以
四氢呋喃 为溶剂,
生成 (1R,7aR)-7a-Methyl-5-oxo-hexahydro-pyrrolizine-1-carboxylic acid methyl ester 、 (1S,7aR)-7a-Methyl-5-oxo-hexahydro-pyrrolizine-1-carboxylic acid methyl ester