申请人:NISSAN CHEMICAL INDUSTRIES LTD.
公开号:EP0212200A2
公开(公告)日:1987-03-04
A pyridine derivative having the formula:
wherein one of A, B, D and E is oxygen, sulfur, -SO-, -SO2-,
with the rest being all carbon atoms: X is halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy, C1-C4 alkylthio, C1-C4 haloalkylthio, C1-C4 alkoxycarbonyl, Ci-C4 alkylthioalkyl, tetrahydrothiopyranyl, hydroxyl, CF3, phenyl or pyridyl; n is an integer of from 0 to 6,; W is oxygen or sulfur; R is hydrogen, di-lower alkylimino, C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C4 or C5 oxacycloalkyl, C2-C5 mono-, di- or tri-haloalkenyl, C2-C5 haloalkynyl, glycidyl, furfuryl, alkylthioalkyl, C3-C6 cycloalkyl or a cation R1 is C1-C4 alkyl, R2 is C1-C4 alkyl or C3-C6 cycloalkyl, or R1 and R2 together with the adjacent carbon atom, form C3-C6 cycloalkyl; and R3 is hydrogen or C1-C3 alkyl.
一种吡啶衍生物,其式如下
其中 A、B、D 和 E 之一为氧、硫、-SO-、-SO2-、
其余均为碳原子:X 是卤素、C1-C4 烷基、C1-C4 烷氧基、C1-C4 卤代烷基、C1-C4 卤代烷氧基、C1-C4 硫代烷基、C1-C4 硫代卤代烷基、C1-C4 氧代羰基、Ci-C4 硫代烷基、四氢硫代吡喃基、羟基、CF3、苯基或吡啶基;n 是 0 至 6 的整数;W 是氧或硫;R 是氢、二低级烷基亚氨基、C1-C5 烷基、C2-C5 烯基、C2-C5 炔基、C4 或 C5 氧代环烷基、C2-C5 单、二或三卤代烯基、C2-C5 卤代炔基、缩水甘油基、糠基、硫代烷基、C3-C6 环烷基或阳离子 R1 是 C1-C4 烷基,R2 是 C1-C4 烷基或 C3-C6 环烷基,或 R1 和 R2 与相邻碳原子一起形成 C3-C6 环烷基;R3 是氢或 C1-C3 烷基。