申请人:Monsanto Company
公开号:EP0245230A1
公开(公告)日:1987-11-11
Substituted pyridine-3-monocarboxylate compounds represented by the formula:
wherein:
R is selected from the group consisting of hydrogen, lower alkyl, lower alkenyl, lower alkynyl, haloalkyl, haloalkenyl;
R₁ and R₂ are independently selected from fluorinated methyl and chlorofluorinated methyl radicals;
Ra is selected from lower alkyl, hydrogen and aryl;
X is selected from hydrogen, hydroxy, alkoxy, arylsulfonyloxy, arylcarbonyloxy, aryloxyacetyloxy, trialkylsilyl, lower alkyl, alkoxycarbonylalkoxy, alkoxycarbonyl, and a salt of the hydroxy compound, are useful as herbicides or intermediates which can be converted to herbicides.
式中,R 选自氢、低级烷基、低级烯基、低级炔基、卤代烷基、卤代烯基;R₁ 和 R₂ 独立选自氟化甲基和氯氟化甲基;Ra 选自低级烷基、氢和芳基;X 选自氢、羟基、烷氧基、芳基磺酰氧基、芳基羰酰氧基、芳基氧基乙酰氧基、三烷基硅基、低级烷基、烷氧基羰基烷氧基、烷氧基羰基和羟基化合物的盐。