申请人:DAINIPPON INK AND CHEMICALS, INC.
公开号:EP1016661A1
公开(公告)日:2000-07-05
The object is to provide a novel compound, with which there is little possibility of phytotoxicity for crop plants, and which is greatly effective in controlling various plant diseases caused by viruses pathogenic to plants, by bacteria, and by molds, and to provide agricultural chemicals, particularly agents for controlling plant diseases, containing this compound, 2,6-dichloro-4-pyridinemethanol, and/or a benzoic acid ester thereof as an active ingredient. As means for achieving the object, 2,6-dichloro-4-pyridinemethanol derivatives, 2,6-dichloro-4-pyridinemethanol, benzoic acid esters thereof, and agricultural chemicals containing these compounds as active ingredients are provided, the 2,6-dichloro-4-pyridinemethanol derivative being expressed by general formula (1):
wherein W denotes an optionally substituted C1 to C8 alkyl group, a trifluoromethylpyridyl group, -COR1, -SO2R2, -PO(OR3)2, -CONHR4, -COOR4, -COCOR4, or -SiR5R6R7, in which: R1 denotes an optionally substituted C1 to C18 alkyl group, an optionally substituted C1 to C18 alkenyl group, a phenyl group which has one or more specific substituent groups, or a 5- or 6-membered heterocyclic ring residue which has any one of a nitrogen atom, an oxygen atom, or a sulfur atom as a ring component atom; R2 denotes an alkyl group or a phenyl group; R3 denotes an alkyl group; R4 denotes an alkyl group or a phenyl group; and each of R5 to R7 denotes an alkyl group.
本发明的目的是提供一种新型化合物,该化合物对农作物植物几乎不产生植物毒性,而且对控制由植物致病病毒、细菌和霉菌引起的各种植物病害非常有效,并提供含有该化合物、2,6-二氯-4-吡啶甲醇和/或其苯甲酸酯作为有效成分的农用化学品,特别是控制植物病害的制剂。作为实现目标的手段,提供了 2,6-二氯-4-吡啶甲醇衍生物、2,6-二氯-4-吡啶甲醇、其苯甲酸酯以及含有这些化合物作为活性成分的农用化学品,2,6-二氯-4-吡啶甲醇衍生物由通式(1)表示:
其中 W 表示任选取代的 C1 至 C8 烷基、三氟甲基吡啶基、-COR1、-SO2R2、-PO(OR3)2、-CONHR4、-COOR4、-COCOR4 或-SiR5R6R7,其中:R1 表示任选取代的 C1 至 C18 烷基、任选取代的 C1 至 C18 烯基、具有一个或多个特定取代基的苯基、或具有氮原子、氧原子或硫原子中任意一个原子作为环组成原子的 5 或 6 元杂环残基;R2 表示烷基或苯基;R3 表示烷基;R4 表示烷基或苯基;以及 R5 至 R7 中的每一个表示烷基。