申请人:Monsanto Company
公开号:EP0252055A1
公开(公告)日:1988-01-07
Pyridine 3-monocarboxylates having the structural formula
wherein
Y is selected from O and S;
R1 and R4 are independently selected from fluorinated methyl, chiorofiuorinated methyl, and C1-C4 alkyl, provided that not both R1 and R4 may be C1-C4 alkyl;
R2 is selected from hydrogen, lower alkyl, haloalkyl, alkenyl, alkynyl, haloalkenyl and a cation;
R3 is selected from C1-C5 alkyl, cyoloalkyl, cycloalkylalkyl, hydroxy and alkoxy; and
X is selected from halogen and various nitrogen- containing groups, are compounds having a wide range of activity as herbicides.
结构式如下的吡啶-3-单羧酸盐
其中
Y 选自 O 和 S;
R1和R4独立地选自氟化甲基、千氟化甲基和C1-C4烷基,但R1和R4不能都是C1-C4烷基;
R2 选自氢、低级烷基、卤代烷基、烯基、炔基、卤代烯基和阳离子;
R3 选自 C1-C5 烷基、环烷基、环烷基烷基、羟基和烷氧基;以及
X 选自卤素和各种含氮基团,这些化合物作为除草剂具有广泛的活性。