In this paper,An improved synthesis of Benzophenobarbital and the effective separation of raw material Pheno-barbital, Benzophenobarbital and side-product N, N-dibenzophenobarbital were described.

• 报道了苯甲酰苯巴比妥的合成和苯巴比妥、苯甲酰苯巴比妥、N,N-二苯甲酰苯巴比妥之间的分离方法。