申请人:Syngenta Investment Corporation
公开号:US06339046B1
公开(公告)日:2002-01-15
Compounds of the formula I
in which
R1 is C1-C4alkyl;
R2 is cyano or NH2C(S)—;
R3 is hydrogen, C1-C4alkyl, C1-C4haloalkyl, C3- or C4alkenyl, C3- or C4alkynyl, C3-C8haloalkenyl, NC—CH2—, HOC(O)—CH2— or C1-C4alkoxy-C(O)—CH2—;
W is a group
and
R4 to R6, R60, R61, R70, X1, X2, n1 and A1—B1 are as defined in claim 1, and the pyrazole N-oxide, agronomically acceptable salts and stereomers of these compounds of the formula I, with the exclusion of the compound of the formula
have good selective herbicidal properties when used pre- and post-emergence. The preparation of these compounds and their use as herbicidally active ingredients are described.
化合物I的公式中,其中R1为C1-C4烷基;R2为氰基或NH2C(S);R3为氢,C1-C4烷基,C1-C4卤代烷基,C3-或C4烯基,C3-或C4炔基,C3-C8卤代烯基,NC-CH2-,HOC(O)-CH2-或C1-C4烷氧基-C(O)-CH2-;W是一个基团;R4至R6、R60、R61、R70、X1、X2、n1和A1-B1如权利要求1所定义,以及式中除了化合物的公式之外的吡唑氧化物、农业上可接受的盐和立体异构体,具有良好的选择性除草性能,可用于前后除草。描述了这些化合物的制备及其作为除草活性成分的使用。