申请人:——
公开号:US05123952A1
公开(公告)日:1992-06-23
5-Amino-6-pyridazones of the general formulae Ia and Ib ##STR1## where R.sup.1 is C.sub.1 -C.sub.4 -alkyl which may carry up to three halogen atoms, R.sup.2 is C.sub.1 -C.sub.4 -alkyl or C.sub.3 -C.sub.6 -alkenyl, where these groups may carry up to two phenyl radicals, or C.sub.3 -C.sub.6 -alkynyl, A is --CO-- or --SO.sub.2 --, B is C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl or C.sub.2 -C.sub.6 -alkynyl, where these groups may carry up to three of the following radicals: halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio and/or phenyl; an isocyclic or heterocyclic C.sub.3 -C.sub.7 -cycloalkyl group or an isocyclic or heterocyclic C.sub.3 -C.sub.7 -cycloalkenyl group, where these groups may be fused with one or two cycloalkyl groups of this type or with one or two benzene nuclei, where the total number of ring members is from 3 to 16 and these cyclic radicals may carry up to three of the following groups: halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 - C.sub.6 -alkynyl and/or phenyl; a mononuclear to trinuclear aromatic or heteroaromatic radical which may carry up to three of the following groups: C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -alkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, cyano, nitro, carbo-C.sub.1 -C.sub.4 -alkoxy, N,N-di-C.sub.1 -C.sub.4 -alkylcarbamido and/or halogen. These compounds are used as herbicidal active ingredients.
通式Ia和Ib的5-氨基-6-吡唑酮化合物,其中R1是C1-C4烷基,可以携带多达三个卤素原子;R2是C1-C4烷基或C3-C6烯基,这些基团可以携带多达两个苯基基团或C3-C6炔基;A是--CO--或--SO2--;B是C1-C6烷基,C2-C6烯基或C2-C6炔基,这些基团可以携带多达三个以下的基团:卤素、C1-C4烷氧基、C1-C4烷基硫基和/或苯基;一个异环或杂环C3-C7环烷基团或异环或杂环C3-C7环烯基团,这些基团可以与一个或两个此类环烷基团或一个或两个苯环融合,环的总成员数为3到16,这些环基团可以携带多达三个以下的基团:卤素、C1-C4烷基、C2-C6烯基、C2-C6炔基和/或苯基;单核到三核芳香或杂芳基团,可以携带多达三个以下的基团:C1-C4烷基、C1-C4卤代烷基、C1-C4烷氧基、C1-C4卤代烷氧基、C1-C4烷基硫基、C1-C4烷基亚砜基、C1-C4烷基磺酰基、氰基、硝基、碳基-C1-C4烷氧基、N,N-二-C1-C4烷基氨基和/或卤素。这些化合物用作除草剂的活性成分。