反应详情

A mixture of N-(4'-fluoro-2-biphenylyl)thiourea (1.4 g), lead acetate trihydrate (2.15 g) and potassium hydroxide (3.18 g) in water (60 ml) was heated at 90°-95° C. for 1 hour to yield 4'-fluoro-2-biphenylylcyanamide as a colourless solid (m.p. 95°-96° C.).

1. temperaturewas heated at 90°-95° C. for 1 hour