2,4-dimethyl-6-piperidin-2-ylmethylpyridine 、 [(4S)-4-(1H-indazol-3-ylmethyl)-5-oxo-1-phenyl-4,5-dihydro-6H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepin-6-yl]acetic acid 在
N-甲基吗啉 、 benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
生成
(4S)-6-(2-{2-[(4.6-dimethylpyridin-2-yl)methyl]piperidin-1-yl}-2-oxoethyl)-4-(1H-indazol-3-ylmethyl)-1-phenyl-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepin-5(6H)-one