5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-N-ethyl-4-(5-(hydroxymethyl)-1,2,4-oxadiazol-3-yl)isoxazole-3-carboxamide   、                                                                                      
甲基磺酰氯                                                                                                                                                                                                                                                                                                          以to afford the intermediate compound (3-(5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-3-(ethylcarbamoyl)isoxazol-4-yl)-1,2,4-oxadiazol-5-yl)methyl methanesulfonate (146 mg, 0.23 mmol) in a yield of 90%的产率得到(3-(5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-3-(ethylcarbamoyl)isoxazol-4-yl)-1,2,4-oxadiazol-5-yl)methyl methanesulfonate