申请人:BASF Aktiengesellschaft
公开号:US05262384A1
公开(公告)日:1993-11-16
Pyridine derivatives of the formulae ##STR1## where W, X, Y and Z are each C--R.sup.4, N or N.fwdarw.O, with the proviso that the ring contains only one heteroatom, and the substituents R.sup.1, R.sup.2 and R.sup.3 have the following meanings: R.sup.1 is alkoxy, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkenyl, or substituted or unsubstituted alkynyl, R.sup.2 is hydrogen, R.sup.3 is formyl, 4,5-dihydrooxazol-2-yl or --CO--A--R.sup.5 or --CO--NR.sup.6 R.sup.7, where R.sup.4 is halogen, nitro, cyano, substituted or unsubstituted alkyl, substituted or unsubstituted benzyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, alkenyloxy, alkynyloxy, alkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, substituted or unsubstituted phenoxy or phenylthio, a substituted or unsubstituted 5- or 6-membered heterocyclic radical having one or two heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, or is substituted or unsubstituted phenyl A is oxygen or sulfur, R.sup.5 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted benzyl, cycloalkyl, substituted or unsubstituted phenyl, one equivalent of a cation or the radical --N.dbd.CR.sup.8 R.sup.9 and R.sup.6 and R.sup.7 are hydrogen or alkyl or together denote a methylene chain having 4 or 5 members, their agriculturally utilizable salts, and their use for controlling unwanted plant growth.
公式为 ##STR1## 的吡啶衍生物,其中W、X、Y和Z分别为C-R.sup.4、N或N.fwdarw.O,但环中仅包含一个杂原子,取代基R.sup.1、R.sup.2和R.sup.3的含义如下:R.sup.1是烷氧基,取代或未取代的烷基,取代或未取代的环烷基,取代或未取代的烯基或取代或未取代的炔基,R.sup.2是氢,R.sup.3是甲酰基,4,5-二氢噁唑-2-基或--CO--A--R.sup.5或--CO--NR.sup.6R.sup.7,其中R.sup.4是卤素,硝基,氰基,取代或未取代的烷基,取代或未取代的苯甲基,取代或未取代的环烷基,取代或未取代的烯基或取代或未取代的炔基,烷氧基,烷基硫醚,卤代烷氧基,卤代烷基硫醚,烯氧基,炔氧基,烷基亚磺酰基,烷基磺酰基,卤代烷基磺酰基,取代或未取代的苯氧基或苯基硫醚,一种含有氧、硫和氮等一组中选择的一个或两个杂原子的取代或未取代的5-或6-成员杂环基团,或取代或未取代的苯基。A是氧或硫,R.sup.5是氢,取代或未取代的烷基,取代或未取代的苯甲基,环烷基,取代或未取代的苯基,一个阳离子或基团--N.dbd.CR.sup.8R.sup.9的一个当量,R.sup.6和R.sup.7是氢或烷基,或一起表示具有4或5个成员的亚甲基链,它们的农业可利用盐以及用于控制不想要的植物生长的用途。