[4-(3-aminophenyl)-6,7-dimethoxyquinazolin-2-yl]methylamine with a favorable yield and high purity can be produced by subjecting a compound represented by the following formula (I) to a step of reacting with methylamine and a step of deprotection if desired:
wherein L represents a protective group of amino.
通过将下式(I)所代表的化合物与
甲胺反应并进行去保护步骤(如有需要),可以制得收率良好且高纯度的[4-(3-aminophenyl)-6,7-dimethoxyquinazolin-2-yl]methylamine:
其中,L代表
氨基的保护基。