2-{[1-(4-chlorobenzoyl)piperidin-4-yl]methyl}-4-methyl-2H-indazol-5-carboxylic acid 、
C.I.酸性橙108 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二甲基亚砜 为溶剂,
反应 1.0h,
以84 mg的产率得到2-{[1-(4-chlorobenzoyl)piperidin-4-yl]methyl}-N-(2-hydroxyethyl)-4-methyl-2H-indazol-5-carboxamide