(±)-tert-butyl 4-[(5-{N-[2-(cyclopropylmethoxy)propyl]carbamoyl}-4-methyl-2H-indazol-2-yl)methyl]piperidin-1-carboxylate 在
盐酸 、
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
1,4-二氧六环 、
二甲基亚砜 为溶剂,
反应 1.5h,
生成
(±)-2-{[1-(4-chlorobenzoyl)piperidin-4-yl]methyl}-N-[2-(cyclopropylmethoxy)propyl]-4-methyl-2H-indazol-5-carboxamide