2-(Thiophen-2-yl)-1,3-thiazole-5-carboxylic acid 、 (R)-1-cyano-N-(4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)pyrrolidine-3-carboxamide 在
O‑(6‑chlorobezotriazol‑1‑yl)‑N,N,N,N‑tetramethyluronium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以22 %的产率得到(R)-1-cyano-N-(5-(2-(thiophen-2-yl)thiazole-5-carbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)pyrrolidine-3-carboxamide