(S)-3-methyl-2-(4-(trifluoromethyl)benzyl)butanoic acid 、
(5R)-5-(aminomethyl)-5-cyclopropylimidazolidine-2,4-dione hydrochloride 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
反应 48.0h,
生成 (2S)-N-[[(4R)-4-cyclopropyl-2,5-dioxo-imidazolidin-4-yl]methyl]-3-methyl-2-[[4-(trifluoromethyl)phenyl]methyl]butanamide