4-Halomethylpyridine derivatives having the general formula:
wherein Y represents a trichloromethyl, dichloromethyl, or dichlorofluoromethyl group; X represents a chlorine, bromine or fluorine atom, an alkoxy group containing 1 to 4 carbon atoms, or the group OR; wherein each R independently represents an
2-furanylmethyl, 5-(C1-C4 alkyl)- 2-furanylmethyl, tetrahydro-3-furyl, tetrahydro-2-furylmethyl, tetrahydro-2- pyranylmethyl, 2-thiophenylmethyl, 2.3-dihydrobenzodioxin- 2-ylmethyl. or 2,2-dimethyl-1,3- dioxolan-4-ytmethyl group; each R' independently represents a hydrogen atom or a methyl group; R2 represents a hydrogen atom, an alkyl group containing 1 to 4 carbon atoms, or a phenyl group; R3 represents a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms; and each n independently represents an integer of from 1 to 12. These compounds and compositions containing them have been found to be useful as agronomic fungicides, especially useful and valuable for the control of soil-bome plant disease organisms which attack the root of plants.
具有通式的 4-正甲基
吡啶衍生物:
其中 Y 代表三
氯甲基、二
氯甲基或二
氯氟甲基;X 代表
氯、
溴或
氟原子、含 1 至 4 个碳原子的烷氧基或基团 OR;其中每个 R 独立地代表
2-
呋喃基甲基、5-(C1-C4 烷基)-2-
呋喃基甲基、四氢-3-
呋喃基、四氢-2-
呋喃基甲基、四氢-2-
吡喃基甲基、2-
噻吩基甲基、2.3-二氢苯并
二恶烷-2-基甲基或 2,2-二甲基-
1,3-二氧戊环-4-基甲基;每个 R'独立地代表氢原子或甲基;R2 代表氢原子、含 1 至 4 个碳原子的烷基或苯基;R3 代表氢原子或含 1 至 4 个碳原子的烷基;每个 n 独立地代表 1 至 12 的整数。已发现这些化合物和含有它们的组合物可用作农艺杀真菌剂,特别是对控制侵袭植物根部的土壤植物病害
生物非常有用和有价值。