N-cyclohexylcarbodiimide   、                                                                                      
2-(2-Methyl-propane-1-sulfonylmethyl)-4-morpholin-4-yl-4-oxo-butyric acid   、                                                                                      (S)-2-Amino-1-(5-phenyl-1,2,4-oxadiazol-3-yl)-butan-1-ol                                                                                                                                                              在
                                                                                                                                                                                 
乙酸乙酯   、                                                                                                  
正庚烷                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 3.17h,
                                                                                                                以to give N-{(S)-1-[Hydroxy-(5-phenyl-1,2,4-oxadiazol-3-yl)-methyl]-propyl}-2-(2-methyl-propane-1-sulfonylmethyl)-4-morpholin-4-yl-4-oxo-butyramide as an off white solid (41 mg) (mixture of diastereoisomers)的产率得到N-{(S)-1-[Hydroxy-(5-phenyl-1,2,4-oxadiazol-3-yl)-methyl]-propyl}-2-(2-methyl-propane-1-sulfonylmethyl)-4-morpholin-4-yl-4-oxo-butyramide