申请人:Hoechst Aktiengesellschaft
公开号:US05155222A1
公开(公告)日:1992-10-13
Known herbicides of the formula (I) ##STR1## in which R.sup.1 is alkyl, alkenyl or alkynyl, which are optionally substituted by halogen, alkoxy or alkoxycarbonyl, R.sup.2 is H, alkyl, alkenyl, alkynyl or cycloalkyl, R.sup.3 and R.sup.4 are H or alkyl, R.sup.5 and R.sup.6 are H, alkyl or alkoxy, each of which can be substituted by halogen, alkoxy or alkylthio, or are halogen, alkylthio, alkylamino or dialkylamino, or, if R.sup.2 or R.sup.3 is H, their salts with bases, can be obtained when compounds of the formula II R.sup.1 -SO.sub.2 -NR.sup.2 -SO.sub.2 -NHR.sup.3 (II) in which R.sup.1, R.sup.2 and R.sup.3 are as defined above, are reacted with compounds of the formula III ##STR2## in which R.sup.4, R.sup.5 and R.sup.6 are as defined above and R.sup.7 is alkyl, haloalkyl or optionally substituted phenyl, in an inert organic solvent, to give the compounds of the formula I.
公式(I)的已知除草剂 ##STR1## 其中R.sup.1是烷基,烯基或炔基,可以选择地由卤素,烷氧基或烷氧羰基取代,R.sup.2是H,烷基,烯基,炔基或环烷基,R.sup.3和R.sup.4是H或烷基,R.sup.5和R.sup.6是H,烷基或烷氧基,每个基团可以由卤素,烷氧基或烷基硫取代,或者是卤素,烷基硫,烷基氨基或二烷基氨基,或者,如果R.sup.2或R.sup.3是H,则它们与碱的盐可以通过化合物的反应获得,该化合物具有公式II R.sup.1 -SO.sub.2 -NR.sup.2 -SO.sub.2 -NHR.sup.3(II),其中R.sup.1,R.sup.2和R.sup.3如上所定义,与公式III的化合物反应 ##STR2## 其中R.sup.4,R.sup.5和R.sup.6如上所定义,R.sup.7是烷基,卤代烷基或可选择取代的苯基,在惰性有机溶剂中,得到公式I的化合物。