(+)-(3aS,4R,7aS)-4-hydroxy-4-(m-tolylethynyl)-octahydro-indole-1-carboxylic acid methyl ester   、                                                                                      
甲氧基乙酸                                                                                                                                                                                                                                                                                                          以to yield (3aR,4S,7aR)-4-(2-methoxy-acetoxy)-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl ester的产率得到(3aR,4S,7aR)-4-(2-methoxy-acetoxy)-4-m-toIylethynyl-octahydro-indole-1-carboxylic acid methyl ester