N-Boc-4-哌啶甲醇 、 N-(4-bromo-2,6-difluorophenyl)-7-hydroxy-6-methoxy-4-quinazolinylamine 以to give 4-(4-bromo-2,6-difluoroanilino)-7-(1-(tert-butoxycarbonyl)piperidin-4-ylmethoxy)-6-methoxyquinazoline (620 mg , 41%)的产率得到4-[({4-[(4-bromo-2,6-difluorophenyl)amino]-6-methoxyquinazolin-7-yl}oxy)methyl]piperidine-1-carboxylate