Compounds of formula
wherein R is H or CH3
G is O or NR1
R1 is H, C1 to C3 alkyl, CF2H, C2 to C3 alkyl substituted with 1 to 3 atoms of F, CH2CH20CH3, CH2CH20H, CH2CH2OSi(CH3)3, OH, OSi(CH3)3, C1 to C2 alkoxy, SO2CH3, phenyl or benzyl;
L is a substituted or unsubstituted phenyl, naphthyl, pyridyl, thienyl, pyrazolyl or imidazolyl group or bicyclic derivative thereof;
and A is substituted or unsubstituted mono- or bi-cyclic heterocyclic group
and their agriculturally suitable salts show potent herbicidal activity. Many also show a plant growth regulant effect.
The compounds may be formulated into compositions for agricultural use in conventional manner. They may be prepared by a variety of synthetic routes.
式中的化合物
其中 R 是 H 或
CH3
G 是 O 或 NR1
R1 是 H、C1 至 C3 烷基、
CF2H、被 1 至 3 个 F 原子取代的 C2 至 C3 烷基、CH2CH20 、CH2CH20H、CH2CH2OSi( )3、OH、OSi( )3、C1 至 C2 烷氧基、SO2 、苯基或苄基;
L 是取代或未取代的苯基、
萘基、
吡啶基、
噻吩基、
吡唑基或
咪唑基或其双环衍
生物;
A 是取代或未取代的单环或双环杂环基团
及其在农业上适用的盐类具有很强的除草活性。许多化合物还具有植物生长调节作用。
这些化合物可按常规方法配制成农用组合物。它们可以通过多种合成途径制备。