A compound of formula (I) or a salt thereof is useful as an intermediate for producing antifungal imidazolone or imidazolidinone with advantages from the industrial point of view.
wherein Ar is a phenyl group which may be substituted; R1 is a hydrogen atom or lower alkyl; R2 is an aliphatic or aromatic hydrocarbon group which may be substituted or an aromatic heterocyclic group which may be substituted; R3 is a group of the formula -CH2Y (wherein Y is a hydroxyl group or a halogen atom) or a formyl group which may be protected.
式(I)化合物或其盐可作为生产抗真菌
咪唑啉酮或
咪唑啉酮的中间体,具有工业优势。
其中 Ar 为可被取代的苯基;R1 为氢原子或低级烷基;R2 为可被取代的脂肪族或芳香族烃基或可被取代的芳香族杂环基;R3 为式 -CH2Y 的基团(其中 Y 为羟基或卤原子)或可被保护的甲酰基。