申请人:Hoechst Aktiengesellschaft
公开号:US05414084A1
公开(公告)日:1995-05-09
Herbicidal sulfonylureas of the formula I, ##STR1## in which X is --O--, --O--NR.sup.2 -- or --SO.sub.2 --NR.sup.2 --, Y is --N-- or CH, R.sup.1 is (substituted) alkyl, (substituted) alkenyl or (substituted) alkynyl, or else, where X=O, (substituted) phenyl, R.sup.2 is H, alkyl, alkenyl, alkynyl or cycloalkyl, R.sup.3, R.sup.4 are H, (substituted) alkyl or (substituted) alkoxy, halogen, alkylthio, alkylamino or dialkylamino and R.sup.5, R.sup.6 are H or alkyl, and their salts with acids or bases, are prepared by reacting compounds of the formula II ##STR2## with compounds of the formula III ##STR3##
式I的除草磺酰脲,其中X为--O--,--O--NR.sup.2--或--SO.sub.2--NR.sup.2--,Y为--N--或CH,R.sup.1为(取代)烷基,(取代)烯基或(取代)炔基,或者当X=O时,(取代)苯基,R.sup.2为H,烷基,烯基,炔基或环烷基,R.sup.3,R.sup.4为H,(取代)烷基或(取代)烷氧基,卤素,烷硫基,烷基氨基或二烷基氨基,R.sup.5,R.sup.6为H或烷基,以及它们与酸或碱的盐,是通过将式II的化合物与式III的化合物反应制备的。