摘要:
4-Aryl-4-substituted pyrazolidine-3,5-dione derivatives represented by general formula (1), useful as the active ingredient of acaricides, insecticides or herbicides, wherein R?1 and R2¿ represent each independently C¿1? to C4 alkyl, or R?1 and R2¿ are bonded together to represent a saturated or unsaturated divalent C¿3? to C4 hydrocarbon group which may be substituted by C1 to C4 alkyl or halogeno; X represents C1 to C4 alkyl, C1 to C4 haloalkyl or halogeno; Y represents halogeno or nitro; and n represents an integer of 0 to 3.
摘要:
Pyrazole derivatives represented by general formula (1) having a low toxicity, a low persistence and an extremely high insecticidal effect: wherein A represents CH, N or C-halogeno; R1 represents hydrogen, lower alkyl, lower haloalkyl, benzyl or phenyl; R2 represents lower alkyl, lower haloalkyl, lower alkenyl, lower alkynyl, benzyl or phenyl; R3 represents hydrogen, halogeno, lower alkyl, lower haloalkylthio, phenyl, cyano, nitro or amino; R4 represents halogeno; R5 represents lower haloalkyl; R6 represents hydrogen, lower alkyl, lower haloalkyl or benzyl, provided that R?1 and R6¿ do not represent hydrogen at the same time; 1 is 0 or 1; m is 0 or 1; and n is a number of from 0 to 2.
摘要:
A 1,2,4-triazole derivative which exhibits excellent herbicidal effects on predominant weeds in paddy fields, lawns and fields even in a small dose, but is harmless to turf and crops, and represented by general formula (I), wherein R?1 and R2¿ may be the same or different and each represents hydrogen or methyl; R?3 and R4¿ may be the same or different and each represents halogeno, lower alkyl, lower alkoxy, lower haloalkyl, lower haloalkoxy or cyano; R5 represents methyl or ethyl; and X represents oxygen or sulfur.
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.