| 摘要 |
NEW MATERIAL:A compound expressed by formula I {A is expressed by formulas II-VI or -NHR<1> [R<1> is H, cyclohexyl, (substituted) phenyl, etc.], etc.}. EXAMPLE:The compound expressed by formula VII. USE:An antimicrobial agent and antimycoplasma agent. PREPARATION:The OH group of the carboxyl group in a beta-substituted acrylic acid is substituted by a substituent group having N atom. |
