(E)-(S)-4-({2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-phenyl-butyrylamino]-3-fluoro-3-methyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid                                                                                                                                                              在
                                                                                                                                                                                 
三氟乙酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (E,4S)-4-[[(2R)-3-fluoro-3-methyl-2-[[(2S)-3-methyl-2-(methylamino)-3-phenylbutanoyl]amino]butanoyl]-methylamino]-2,5-dimethylhex-2-enoic acid   、                                                                                             (E,4S)-4-[[(2S)-3-fluoro-3-methyl-2-[[(2S)-3-methyl-2-(methylamino)-3-phenylbutanoyl]amino]butanoyl]-methylamino]-2,5-dimethylhex-2-enoic acid