tert-butyl 3-(2-{[(1E)-aminomethylidene]amino}-3-cyano-6-{2-(cyclopropyl-methoxy)-6-[(4-methoxy-benzyl)oxy]phenyl}-4-pyridinyl)-1-piperidinecarboxylate 、
三氟乙酸 在
silica gel 、
methanol-dichloromethane 作用下,
以
甲醇 、
甲苯 为溶剂,
反应 480.0h,
以gave tert-butyl 3-(4-amino-7-{2-(cyclopropylmethoxy)-6-[(4-methoxybenzyl)oxy]-phenyl}pyrido[2,3-d]pyrimidin-5-yl)-1-piperidinecarboxylate as a colorless oil (0.026 g, yield; 15%)的产率得到Tert-butyl 3-(4-amino-7-{2-(cyclopropylmethoxy)-6-[(4-methoxybenzyl)oxy]-phenyl}pyrido[2,3-d]pyrimidin-5-yl)-1-piperidinecarboxylate