Patent number: 5846906
Abstract: Herbicidally active phenyldiketone compounds of the formula I ##STR1## in which the substituents have the following meanings: L and M are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.4 -alkoxy, it being possible for these groups to be unsubstituted or substituted by one to five halogen atoms or C.sub.1 -C.sub.4 -alkoxy, or halogen, cyano, nitro, a group --(Y).sub.n --S(O).sub.m R.sup.7 or a group --(Y).sub.n --CO--R.sup.8,Z is a 5- or 6-membered heterocyclic saturated or unsaturated radical which has one to three hetero atoms selected from the group consisting of oxygen, sulfur or nitrogen and which is unsubstituted or substituted by halogen, cyano, nitro, a group --CO--R.sup.8, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, di-C.sub.1 -C.sub.
Type:
Grant
Filed:
July 30, 1997
Date of Patent:
December 8, 1998
Assignee:
BASF Aktiengesellschaft
Inventors:
Wolfgang von Deyn, Regina Luise Hill, Uwe Kardorff, Stefan Engel, Martina Otten, Marcus Vossen, Peter Plath, Harald Rang, Albrecht Harreus, Hartmann Konig, Helmut Walter, Karl-Otto Westphalen, Ulf Misslitz