反应详情

A suspension of N-(4'-chloro-2-biphenylyl)thiourea (7.1 g) in water (60 ml) was reacted with potassium hydroxide (15.1 g) in water (60 ml). Lead acetate trihydrate (10.3 g) in water (60 ml) was added and the mixture heated at 90°-95° C. for 1 hour to give 4'-chloro-2-biphenylylcyanamide (m.p. 106°-107° C.).

1. temperaturethe mixture heated at 90°-95° C. for 1 hour