An X-ray crystallographic study of 6-menthyl-2,4-diphenyldihydropyrimidine (1) has shown that in the solid state it exists in the 1,4-dihydro-form (1a) with a flat boat conformation, as a single tautomeric entity.
对6-薄荷基-2,4-二苯基二氢
嘧啶(1)的X射线晶体学研究表明,它以固态,呈扁舟状的形式以1,4-二氢形式(1a)的形式存在,为一个互变异构体。实体。