2-苯基-4,5,6,7-四氢-2H-吡唑[4,3-C]吡啶盐酸盐 、
6-((3R,5S)-4-carboxymethyl-3,5-dimethylpiperazin-1-yl)nicotinic acid ethyl ester 在
(benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
生成 6-{(3S,5R)-3,5-dimethyl-4-[2-oxo-2-(2-phenyl-2,4,6,7-tetrahydropyrazolo[4,3-c]pyridin-5-yl)ethyl]piperazin-1-yl}nicotinic acid ethyl ester