(+)-(3aS,4R,7aS)-4-hydroxy-4-(m-tolylethynyl)-octahydro-indole-1-carboxylic acid methyl ester 、
3,5-二甲基苯甲酸 以to yield (3aR,4S,7aR)-4-(3,5-dimethyl-benzoyloxy)-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl ester的产率得到(3aR,4S,7aR)-4-(3,5-dimethyl-benzoyloxy)-4-m-tolylethynyl-octahydroindole-1-carboxylic acid methyl ester