N-(5-{[7-(benzyloxy)-6-methoxyquinazolin-4-yl]amino}pyrimidin-2-yl)-3-chloro-4-fluorobenzamide 在
二氯甲烷 、
乙醚 作用下,
以
三氟乙酸 为溶剂,
反应 2.0h,
以to yield 3-chloro-4-fluro-N-{5-[(7-hydroxy-6-methoxyquinazolin-4-yl)amino]pyrimidin-2-yl}benzamide (trifluoroacetate salt, 4.73 g, 97% yield) as an off-white solid的产率得到3-chloro-4-fluoro-N-{5-[(7-hydroxy-6-methoxyquinazolin-4-yl)amino]pyrimidin-2-yl}benzamide