(+)-(3aS,4R,7aS)-4-hydroxy-4-(m-tolylethynyl)-octahydro-indole-1-carboxylic acid methyl ester 、
2,4,6-三甲基苯甲酸 以to yield (3aR,4S,7aR)-methyl 4-(m-tolylethynyl)-4-(2,4,6-trimethylbenzoyloxy)octahydro-1H-indole-1-carboxylate的产率得到(3aR,4S,7aR)-methyl 4-(m-tolylethynyl)-4-(2,4,6-trimethylbenzoyloxy)octahydro-1H-indole-1-carboxylate