(+)-(3aS,4R,7aS)-4-hydroxy-4-(m-tolylethynyl)-octahydro-indole-1-carboxylic acid methyl ester 、
gamma-氧代-1-吡咯烷丁酸 以to yield (3aR,4S,7aR)-4-(4-oxo-4-pyrrolidin-1-yl-butyryloxy)-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl ester的产率得到(3aR,4S,7aR)-4-(4-oxo-4-pyrrolidin-1-yI-butyryloxy)-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl ester