2-((2R,6S)-4-(2-((trans-4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)cyclohexyl)oxy)ethyl)-2,6-dimethylpiperazin-1-yl)acetic acid 、
1-(4-aminophenyl)dihydropyrimidine-2,4(1H,3H)-dione hydrochloride 在
N-甲基咪唑 、 N,N,N',N'-tetramethylchloroformamidinium hexafluorophosphate 、
盐酸 作用下,
以
乙腈 为溶剂,
以57 %的产率得到2-((2S,6R)-4-(2-((trans-4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)cyclohexyl)oxy)ethyl)-2,6-dimethylpiperazin-1-yl)-N-(4-(2,4-dioxotetrahydropyrimidin-1(2H)-yl)phenyl)acetamide hydrochloride