申请人:BASF Aktiengesellschaft
公开号:US05188657A1
公开(公告)日:1993-02-23
Substituted sulfonylureas of the formula I ##STR1## where n and m are each 0 or 1, R.sup.1 is hydrogen, alkyl alkenyl or alkynyl, R.sup.2 is halogen or trifluoromethyl when m is 0, or is alkyl, alkenyl or alkynyl when m is 1, or is trifluoromethyl or chlorodifluoromethyl when X is O or S and m is 1, X is O, S or N-R.sup.4, R.sup.4 is hydrogen or alkyl, R.sup.3 is hydrogen, halogen, alkyl, haloalkyl or alkoxy, A is haloalkyl, halogen, cyano, nitro, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl or a radical ##STR2## B is oxygen or an alkylimino group N-R.sup.6 ; R.sup.5 is hydrogen, unsubstituted or substituted alkyl or unsubstituted or substituted cycloalkyl or is alkenyl or alkynyl and R.sup.6 is hydrogen or alkyl or, together with R.sup.5, forms a C.sub.4 -C.sub.6 -alkylene chain in which a methylene group may be replaced by an oxygen atom or a C.sub.1 -C.sub.4 -alkylimino group, and their environmentally compatible salts, processes and intermediates for the preparation of the compounds I and their use as herbicides and bioregulators.
化学式I的磺酰基脲类替代物##STR1## 其中n和m各自为0或1,R.sup.1为氢、烷基、烯基或炔基,R.sup.2为卤素或三氟甲基(当m为0时),或为烷基、烯基或炔基(当m为1时),或为三氟甲基或氯二氟甲基(当X为O或S且m为1时),X为O、S或N-R.sup.4,R.sup.4为氢或烷基,R.sup.3为氢、卤素、烷基、卤代烷基或烷氧基,A为卤代烷基、卤素、氰基、硝基、烷氧基、烷基硫醚、烷基亚硫醚、烷基磺醚或基团##STR2## B为氧或烷基亚胺基团N-R.sup.6;R.sup.5为氢、未取代或取代的烷基或未取代或取代的环烷基,或为烯基或炔基,R.sup.6为氢或烷基,或与R.sup.5一起形成一个C.sub.4-C.sub.6-烷基链,其中一个亚甲基基团可以被氧原子或C.sub.1-C.sub.4-烷基亚胺基团所取代,以及它们的环境兼容盐、用于制备化合物I的过程和中间体,以及它们作为除草剂和生物调节剂的用途。