申请人:BASF Aktiengesellschaft
公开号:US05080708A1
公开(公告)日:1992-01-14
Isoxazole(isothiazole)-5-carboxamides of the formula ##STR1## where X is oxygen or sulfur, R.sup.1 is hydrogen, substituted or unsubstituted alkyl, alkoxy, substituted or unsubstituted cycloalkyl, a 5- or 6-membered heterocyclic radical having one or two heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, and which may be substituted, or substituted or unsubstituted phenyl, or R.sup.2 is formyl, 4,5-dihydrooxazol-2-yl or a radical of the formula COYR.sup.5 or CONR.sup.6 R.sup.7, where Y is oxygen or sulfur, R.sup.5 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, haloalkenyl, substituted or unsubstituted alkynyl, cycloalkyl, cycloalkenyl, substituted or unsubstituted phenyl, a 5- or 6-membered heterocyclic radical having one or two heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, cycloalkanimino, phthalimido, succinimido, or a radical ##STR2## R.sup.3 and R.sup.4 have the meanings defined herein, or their agriculturally acceptable salts possess herbicidal activity.
异噁唑(异硫唑)-5-羧酰胺的化学式为##STR1##其中X为氧或硫,R.sup.1为氢、取代或未取代的烷基、烷氧基、取代或未取代的环烷基、含有氧、硫和氮等异原子中的一个或两个的5-或6-成员杂环基,该基可能被取代,或者为取代或未取代的苯基,或者R.sup.2为甲酰基、4,5-二氢噁唑-2-基或化学式COYR.sup.5或CONR.sup.6 R.sup.7的基,其中Y为氧或硫,R.sup.5为氢、取代或未取代的烷基、取代或未取代的烯基、卤代烯基、取代或未取代的炔基、环烷基、环烯基、取代或未取代的苯基、含有氧、硫和氮等异原子中的一个或两个的5-或6-成员杂环基、环烷基氨基、邻苯二甲酰亚胺、琥珀酰亚胺,或者化学式##STR2##R.sup.3和R.sup.4的含义如上所定义,或其农业上可接受的盐具有除草活性。