3-[(R)-3-t-butoxycarbonylamino-4-(2,4,5-trifluorophenyl)-butyryl]-thiazolidine-2-carboxylic acid 、
1-(3-二甲基氨基丙基)-3-乙基碳二亚胺 、
2-(4-Aminomethyl-phenoxy)-3-methyl-butyric acid ethyl ester 、
盐酸 、
三乙胺 在
Brine 、
二氯甲烷 、
magnesium sulfate 、
乙酸乙酯 、
正己烷 、
ethyl 2-(4-((3-((R)-3-(t-butoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanoyl)thiazolidine-2-carboxamido)methyl)phenoxy)-3-methylbutanoate 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以to obtain the desired compound, ethyl 2-(4-((3-((R)-3-(t-butoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanoyl)thiazolidine-2-carboxamido)methyl)phenoxy)-3-methylbutanoate (2.03 g, 82%) as a white solid的产率得到ethyl 2-(4-((3-((R)-3-(t-butoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanoyl)thiazolidine-2-carboxamido)methyl)phenoxy)-3-methylbutanoate