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US 4,749,403 AGranted
Herbicidal derivatives of imidazolidinone and imidazolidine thione
AssigneeHoechst Aktiengesellschaft
InventorsRainer Liebl, Reinhard Handte, Hilmar Mildenberger, Klaus Bauer, Hermann Bieringer
Life of this patent
Estimating the term…
Abstract
The compounds of formula I ##STR1## in which the substituents X, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6, are defined hereinbelow. The compounds have advantageous herbicidal properties and are useful, for example, for combating undesired plants.
Claims5
A compound of the formula I ##STR23## in which X denotes oxygen or sulfur;
- R.sup.1 denotes hydrogen or halogen;
- R.sup.2 and R.sup.3, independently of one another, denote hydrogen, halogen, (C.sub.1 -C.sub.4)alkyl, halo(C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy, halo(C.sub.1 -C.sub.4)alkoxy, (C.sub.3 -C.sub.6)cycloalkoxy, (C.sub.2 -C.sub.4)alkenyloxy, halo(C.sub.2 -C.sub.4)alkenyloxy, (C.sub.5 -C.sub.6)cycloalkenyloxy, (C.sub.3 -C.sub.4)alkynyloxy, halo(C.sub.3 -C.sub.4)alkynyloxy, (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkoxy;
- (C.sub.1 -C.sub.4)alkoxycarbonyl(C.sub.1 -C.sub.4)alkoxycarbonyl, halo(C.sub.1 -C.sub.4)alkoxycarbonyl, (C.sub.1 -C.sub.4)alkylsulfinyl, (C.sub.1 -C.sub.4)alkylsulfonyl, phenoxy, phenylthio, phenylsulfinyl or phenylsulfonyl, where the phenyl ring may in each case be mono- to trisubstituted by halogen, (C.sub.1 -C.sub.4)alkyl, CF.sub.3 or NO.sub.2 ;
- pyridyloxy which may be mono- or disubstituted by halogen or CF.sub.3 ;
- benzyloxy or phenoxymethyl, which may both be mono- to trisubstituted in the phenyl ring by halogen, (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy, CF.sub.3 or NO.sub.2 ;
- (C.sub.1 -C.sub.4 )alkoxycarbonyl, (C.sub.1 -C.sub.4)alkoxycarbonyl(C.sub.1 -C.sub.4)alkoxy, (C.sub.1 -C.sub.4)alkylthio, (C.sub.1 -C.sub.4)alkoxycarbonyl(C.sub.1 -C.sub.4)alkylthio, NO.sub.2 or CN,
- R.sup.4 denotes hydrogen, (C.sub.1 -C.sub.4)alkyl, halo(C.sub.1 -C.sub.4)alkyl, (C.sub.3 -C.sub.4)-alkenyl, (C.sub.3 -C.sub.4)cycloalkyl, (C.sub.5 -C.sub.6)-cycloalkenyl, (C.sub.3 -C.sub.4)alkynyl, (C.sub.1 -C.sub.4)alkoxy-(C.sub.1 -C.sub.4)alkoxy, (C.sub.1 -C.sub.4)alkoxycarbonyl(C.sub.1 -C.sub.4)-alkyl, (C.sub.1 -C.sub.4)alkylthio(C.sub.1 -C.sub.4)alkyl;
- benzyl, which may be mono- to trisubstituted by halogen, (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy, (C.sub.1 -C.sub.4)alkoxycarbonyl, CF.sub.3, NO.sub.2 or CN, or denotes a radical of the formula ##STR24## R.sup.5 denotes a (C.sub.4 -C.sub.5)alkylene chain which links the nitrogen atom (3) to the carbon atom (4) of the imidazolinone or imidazoline thione ring and in which one CH.sub.2 group may be substituted by oxygen or sulfur and which may be up to disubtituted by (C.sub.1 -C.sub.4)alkyk, (C.sub.1 -C.sub.4)-alkoxycarbonyl, (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkoxycarbonyl or (C.sub.1 -C.sub.4)alkoxycarbonyl(C.sub.1 -C.sub.4 alkoxycorbonyl;
- R.sup.6 denotes hydrogen or (C.sub.1 -C.sub.4)alkyl, and
- R.sup.7 denotes (C.sub.1 -C.sub.8)alkyl;
- phenyl or benzyl, which may in each case be up to trisubtituted by halogen, (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy, CF.sub.3, NO.sub.2 or (C.sub.1 -C.sub.4)alkoxycarbonyl.
8 more elements
Dependencies are inferred from the claim text.