tert-butyl 4-(imidazo[1,5-a]pyridin-7-yl)piperidine-1-carboxylate 、
N-氯代丁二酰亚胺 在
Brine 、
Sodium sulfate-III 、 ethyl acetate petroleum ether 、
tert-butyl 4-(1-chloroimidazo[1,5-a]pyridin-7-yl)piperidine-1-carboxylate 、
tert-butyl 4-(3-chloroimidazo[1,5-a]pyridin-7-yl)piperidine-1-carboxylate 作用下,
以
四氯化碳 、
乙酸乙酯 为溶剂,
反应 5.0h,
以to yield 45 mg (24%) of tert-butyl 4-(1-chloroimidazo[1,5-a]pyridin-7-yl)piperidine-1-carboxylate (compound 68.1) as a yellow solid and 64 mg (34%) of tert-butyl 4-(3-chloroimidazo[1,5-a]pyridin-7-yl)piperidine-1-carboxylate (compound 68.2) as a yellow solid的产率得到tert-butyl 4-(1-chloroimidazo[1,5-a]pyridin-7-yl)piperidine-1-carboxylate