Phenylenediamines represented by general formula (1):
wherein R represents an alkyl group or an optionally substituted aralkyl group, X1 represents a hydrogen atom or a halogen atom, and X2 represents a halogen atom; salts thereof, and a process for preparing the same. The compounds are useful as intermediates for synthesis of pyridonecarboxylic acid derivatives useful as antibacterial agents.
由通式(1)代表的
苯二胺:
其中 R 代表烷基或任选取代的芳烷基,X1 代表氢原子或卤素原子,X2 代表卤素原子;它们的盐及其制备方法。这些化合物可用作合成可用作抗菌剂的
吡啶甲酸衍
生物的中间体。