Herbicidal 3-(3,4,5,6-tetrahydrophthalimido)-cinnamic esters
AssigneeBASF SE
InventorsLothar Rueb, Karl Eicken, Karl-Otto Westphalen, Bruno Wuerzer
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Abstract
3-(N-3,4,5,6-Tetrahydrophthalimido)-cinnamic esters of the general formula I ##STR1## where n is 1 or 2 and the substituents have the following meanings: R.sup.1 is hydrogen or fluorine, R.sup.2 is halogen, R.sup.3 is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl, R.sup.4 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl or benzyl, R is C.sub.1 -C.sub.4 -alkyl, processes for their manufacture, and herbicidal agents containing them.
Claims4
A 3-(N-3,4,5,6-Tetrahydrophthalimido)-cinnamic ester of the formula I ##STR12## where R.sup.1 is hydrogen or fluorine, R.sup.2 is halogen, R.sup.3 is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl, R.sup.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl which can be substituted by one or two C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkylthio groups, or C.sub.3 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl or benzyl, R is C.sub.1 -C.sub.4 -alkyl, and n is 1 or 2.
Dependencies are inferred from the claim text.