申请人:Bayer Aktiengesellschaft
公开号:US04871387A1
公开(公告)日:1989-10-03
New pyri(mi)dyl-oxy- or -thio-benzoic acid derivatives of the formula ##STR1## are taught which have herbicidal and plant growth regulating activity. In the formula Z can be Ch or N, X is oxygen or sulphur, A is oxygen, sulphur, a radical R.sup.5 --N.dbd.or a radical R.sup.6 O--N.dbd.and B is oxygen, sulphur, a radical ##STR2## with the proviso that at least one of the radicals R.sup.1, R.sup.2 or R.sup.3 represents alkyl or a part of a 3- to 6-membered fused carbocyclic ring.
新的吡啶氧基或硫基苯甲酸衍生物的化学式如下:##STR1##,这些衍生物具有除草和植物生长调节活性。在该化学式中,Z可以是C或N,X是氧或硫,A是氧、硫、基团R.sup.5--N.dbd.或基团R.sup.6 O--N.dbd.,B是氧、硫、基团##STR2##,但至少一个基团R.sup.1、R.sup.2或R.sup.3代表烷基或3-至6-成员融合环的一部分。