(2R,3R)-2-((R)-1-Hydroxy-2-methoxycarbonyl-ethyl)-3-[(S)-1-(2,4,6-triisopropyl-phenyl)-ethoxy]-pyrrolidine-1-carboxylic acid benzyl ester 在
palladium dihydroxide 氢气 、
溶剂黄146 作用下,
以
乙酸乙酯 为溶剂,
以82%的产率得到(1R,7R,7aR)-1-Hydroxy-7-[(S)-1-(2,4,6-triisopropyl-phenyl)-ethoxy]-hexahydro-pyrrolizin-3-one