N-SUBSTITUTED 3,4,5,6-TETRAHYDROPHTHALIMIDES,PROCESSES FOR THEIR PREPARATION AND THEIR USE IN PLANT PROTECTION

摘要

The compounds of the formula I in which R<1>, R<2> and R<3> are H or alkyl, R<4> is hydrogen, F, Cl, Br, alkyl or alkoxy, R<5> is F, Cl, Br, (substituted) alkyl, (substituted) alkoxy, (substituted) phenoxy, (substituted) phenylthio, alkylthio, alkylsulphonyl, (substituted) phenylsulphonyl; A is a radical of the formulae have advantageous herbicidal properties against monocotyledon and dicotyledon weeds.