(2R,3R)-2,3-diacetyloxy-4-oxo-4-(2-phenylpyrrolidin-1-yl)butanoic acid 、
(4-benzylthiazol-2-yl)methanamine hydrochloride 在
三乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 16.0h,
以52%的产率得到[(2R,3R)-3-acetyloxy-1-[(4-benzyl-1,3-thiazol-2-yl)methylamino]-1,4-dioxo-4-(2-phenylpyrrolidin-1-yl)butan-2-yl] acetate