(1S,2S)-1-[(R)-2-(Adamantan-2-yloxycarbonylamino)-3-(1H-indol-3-yl)-2-methyl-propionylamino]-2-phenyl-cyclopropanecarboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以50%的产率得到(1S,2S)-1-[(R)-2-(Adamantan-2-yloxycarbonylamino)-3-(1H-indol-3-yl)-2-methyl-propionylamino]-2-phenyl-cyclopropanecarboxylic acid