反应详情

温度

80 °C

A mixture of 7-fluoro-5-tetrahydropyran-4-yloxy-3,4-dihydroquinazolin-4-one (1 g), phosphoryl chloride (4 ml), diisopropylethylamine (1.5 ml) and 1,2-dichloroethane (15 ml) was stirred and heated to 80° C. for 3 hours. The mixture was evaporated to give 4-chloro-7-fluoro-5-tetrahydropyran-4-yloxyquinazoline which was used without further purification.

1. customThe mixture was evaporated