[(S)-1-[(R)-1-({[(S)-1-Benzyl-2-(N'-hexanoyl-hydrazino)-2-oxo-ethylcarbamoyl]-methyl}-carbamoyl)-3-methanesulfinyl-propylcarbamoyl]-2-(4-hydroxy-phenyl)-ethyl]-carbamic acid benzyl ester                                                                                                                                                              在
                                                                                                                                                                                 
甲烷磺酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         neat (no solvent)                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以140 mg的产率得到(R)-2-[(S)-2-Amino-3-(4-hydroxy-phenyl)-propionylamino]-N-{[(S)-1-benzyl-2-(N'-hexanoyl-hydrazino)-2-oxo-ethylcarbamoyl]-methyl}-4-methanesulfinyl-butyramide