摘要:
Indole-2-carboxylic ester derivatives exhibiting high bacteriocidal effects selectively on chemical-tolerant bacteria and represented by general formula (I), wherein R1 is hydrogen, hydroxyl, C¿1?-C4 acyl, C1-C4 acyloxy, C1-C4 alkoxy, (C1-C4 alkoxycarbonyl)oxy, phenoxycarbonyl or C1-C4 alkoxycarbonyl; R?2 is C¿1-C4 alkyl; R3 is hydrogen, C¿1?-C4 alkyl, C2¿-C¿4 alkenyl, phenyl, cyano, carbamoyl or the like; R?4 and R5¿ are each independently C¿1?-C4 alkyl or halogen.