4-Tert-butyl-6-cyclopropyl-1-methylbenzimidazole-2-carboxylic acid 、 (5R)-1-(trans-4-hydroxycyclohexyl)-5-methyl-2-piperazinone hydrochloride 在
N,N-二异丙基乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
生成 (5R)-4-{[6-cyclopropyl-4-(1,1-dimethylethyl)-1-methyl-1H-benzimidazol-2-yl]carbonyl}-1-(trans-4-hydroxycyclohexyl)-5-methyl-2-piperazinone