4-(5-bromo-3-pyridyl)-6,7-dimethoxy-2-methylaminoquinazoline 、
4-methylthiophenyl boric acid 以440 mg of the title compound was obtained as pale yellow crystals in the same manner as in Example 48的产率得到6,7-dimethoxy-2-methylamino-4-[5-(4-methylthiophenyl)-3-pyridyl]quinazoline