反应详情

Reaction of 5-methyl-2-biphenylylisothiocyanate (7.5 g) in ethanol (20 ml) with 25% aqueous ammonia solution (60 ml) at ambient temperature for 2 hours yielded N-(5-methyl-2-biphenylyl)thiourea as a colourless solid (m.p. 175°-177° C.).