5-(1-Tert-butoxycarbonylpiperidin-4-yloxy)-4-chloro-7-methoxyquinazoline 、
5-氯苯并[1,3]二恶茂-4-胺 以to give 5-(1-tert-butoxycarbonylpiperidin-4-yloxy)-4-(6-chloro-2,3-methylenedioxyanilino)-7-methoxyquinazoline dihydrochloride (0.17 g)的产率得到5-(1-Tert-butoxycarbonylpiperidin-4-yloxy)-4-(6-chloro-2,3-methylenedioxyanilino)-7-methoxyquinazoline dihydrochloride