Claims
- 1. A 2-benzoylcyclohexane-1,3-dione of the formula I: ##STR28## where: R.sup.1 and R.sup.2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, --OR.sup.10, --OCOR.sup.10, --OSO.sub.2 R.sup.10, --S(O).sub.n R.sup.10, --SO.sub.2 R.sup.10, --SO.sub.2 NR.sup.3 R.sup.10, --NR.sup.10 SO.sub.2 R.sup.10 or --NR.sup.10 COR;
- Q is a cyclohexane-1,3-dione ring with or without substitution, which is attached in position 2;
- A is a group of the formula IIa, IIb or III: ##STR29## where: R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl or phenyl, where the alkyl and phenyl radicals mentioned may be partially or fully halogenated and/or may carry one to three of the following groups: hydroxyl, mercapto, amino, cyano, R.sup.10, --OR.sup.10, --SR.sup.10, --NR.sup.8 R.sup.10, .dbd.NOR.sup.10, --OCOR.sup.10, --SCOR.sup.10, --NR.sup.8 COR.sup.10, --CO.sub.2 R.sup.10, --COSR.sup.10, --CONR.sup.8 R.sup.10, C.sub.1 -C.sub.4 -alkyliminooxy, C.sub.1 -C.sub.4 -alkoxyamino, C.sub.1 -C.sub.4 -alkylcarbonyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -C.sub.6 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, where the last eight radicals mentioned may in turn be substituted;
- R.sup.4 -R.sup.7 may be identical or different and, independently of each other, are:
- hydrogen, hydroxyl, mercapto, amino, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, phenyl, --OR.sup.10, --S(O).sub.n R.sup.10, --OS(O).sub.n R.sup.10, --PO(OR.sup.10).sub.2, --NR.sup.3 R.sup.10, --Si(R.sup.10).sub.3 or --OCOR.sup.10, where the alkyl and cycloalkyl radicals mentioned and R.sup.3 and R.sup.10 of the radicals --OR.sup.10, --S(O).sub.n R.sup.10, --OS(O).sub.n R.sup.10, --PO(OR.sup.10).sub.2, --NR.sup.3 R.sup.10, --Si(R.sup.10).sub.3, --OCOR.sup.10 may be partially or fully halogenated and/or may carry one to three of the following groups:
- hydroxyl, mercapto, amino, cyano, R.sup.10, --OR.sup.10, --SR.sup.10, --NR.sup.8 R.sup.10, .dbd.NOR.sup.10, --OCOR.sup.10, --SCOR.sup.10, --NR.sup.8 COR.sup.10, --CO.sub.2 R.sup.10, --COSR.sup.10, --CONR.sup.8 R.sup.10,
- C.sub.1 -C.sub.4 -alkyliminooxy, C.sub.1 -C.sub.4 -alkoxyamino, C.sub.1 -C.sub.4 -alkylcarbonyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -C.sub.6 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, where the last eight radicals mentioned may in turn be substituted;
- R.sup.4 and R.sup.5 together may form a C.sub.2 -C.sub.5 -alkylene or C.sub.2 -C.sub.5 -alkenylene chain which may be interrupted once or twice by a nitrogen or an oxygen atom, or may form a group .dbd.X, where X is an oxygen atom or a group CR.sup.3 R.sup.10, NR.sup.10 or NOR.sup.10 ;
- R.sup.6 and R.sup.7 together may form a C.sub.2 -C.sub.5 -alkylene or C.sub.2 -C.sub.5 -alkenylene chain which may be interrupted once or twice by a nitrogen or an oxygen atom, or may form a group .dbd.X, where X is an oxygen atom or a group CR.sup.3 R.sup.10, NR.sup.10 or NOR.sup.10 ;
- n is zero, one or two;
- R.sup.5 and R.sup.6 together may furthermore, if they are attached to adjacent carbon atoms and if R.sup.4 and R.sup.7 are each hydrogen, form a C.sub.3 -C.sub.4 -alkylene or C.sub.3 -C.sub.4 -alkenylene chain which may be interrupted by a nitrogen or an oxygen atom;
- R.sup.8 and R.sup.9 may be identical or different and, independently of each other, are:
- hydrogen, nitro, halogen, cyano, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.5 -C.sub.6 -heterocyclyl, --OR.sup.10, --SR.sup.10, --COR.sup.10, --COOR.sup.10, --CONR.sup.3 R.sup.10, phenyl, phenyl-C.sub.1 -C.sub.6 -alkyl and five- or six-membered hetaryl, where the alkyl and cycloalkyl radicals mentioned and R.sup.3 and R.sup.10 of the radicals --OR.sup.10, --SR.sup.10, --COR.sup.10, --COOR.sup.10, --CONR.sup.3 R.sup.10 may be partially or fully halogenated and/or may carry one to three of the following groups:
- hydroxyl, mercapto, amino, cyano, R.sup.10, --OR.sup.10, --SR.sup.10, --NR.sup.8 R.sup.10, .dbd.NOR.sup.10, --OCOR.sup.10, --SCOR.sup.10, --NR.sup.8 COR.sup.10, --CO.sub.2 R.sup.10, --COSR.sup.10, --CONR.sup.8 R.sup.10, C.sub.1 -C.sub.4 -alkyliminooxy, C.sub.1 -C.sub.4 -alkoxyamino, C.sub.1 -C.sub.4 -alkylcarbonyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -C.sub.6 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, where the last eight radicals mentioned may in turn be substituted;
- R.sup.8 and R.sup.9 together may furthermore form a C.sub.2 -C.sub.5 -alkylene or C.sub.2 -C.sub.5 -alkenylene chain which may be interrupted once or twice by a nitrogen or an oxygen atom;
- R.sup.10 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, phenyl or phenyl-C.sub.1 -C.sub.6 -alkyl; where the alkyl radicals mentioned may be partially or fully halogenated and/or may carry one to three of the following groups:
- hydroxyl, mercapto, amino, cyano, R.sup.10, --OR.sup.10, --SR.sup.10, --NR.sup.3 R.sup.10, .dbd.NOR.sup.10, --OCOR.sup.10, --SCOR.sup.10, --NR.sup.3 COR.sup.10, --CO.sub.2 R.sup.10, --COSR.sup.10, --CONR.sup.3 R.sup.10, C.sub.1 -C.sub.4 -alkyliminooxy, C.sub.1 -C.sub.4 -alkoxyamino, C.sub.1 -C.sub.4 -alkylcarbonyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -C.sub.6 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, where the last eight radicals mentioned may in turn be substituted;
- and agriculturally useful salts thereof.
- 2. A 2-benzoylcyclohexane-1,3-dione of the formula I as claimed in claim 1 in which Q is a cyclohexane-1,3-dione ring of the formula IV: ##STR30## which is attached in position 2, where R.sup.11, R.sup.12, R.sup.14 and R.sup.16 are each hydrogen or C.sub.1 -C.sub.4 -alkyl;
- R.sup.13 is hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.3 -C.sub.4 -cycloalkyl, where the last two groups mentioned may carry one to three of the following substituents:
- halogen, C.sub.1 -C.sub.4 -alkylthio or C.sub.1 -C.sub.4 -alkoxy;
- or
- is tetrahydropyran-2-yl, tetrahydropyran-3-yl, tetrahydropyran-4-yl, tetrahydrothiopyran-2-yl, tetrahydrothiopyran-3-yl, tetrahydrothiopyran-4-yl, 1,3-dioxolan-2-yl, 1,3-dioxan-2-yl, 1,3-oxathiolan-2-yl, 1,3-oxathian-2-yl, 1,3-dithiolan-2-yl or 1,3-dithian-2-yl, where the last 6 radicals mentioned may be substituted by one to three C.sub.1 -C.sub.4 -alkyl radicals;
- R.sup.15 is hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.6 -alkoxycarbonyl;
- or
- R.sup.13 and R.sup.16 together form a .pi. bond or a three- to six-membered carbocyclic ring;
- or
- the CR.sup.13 R.sup.14 unit may be replaced by C.dbd.O.
- 3. A 2-benzoylcyclohexane-1,3-dione of the formula I as claimed in claim 1 which:
- R.sup.1 is nitro, halogen, cyano, thiocyanato, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, --OR.sup.5 or --S(O).sub.n R.sup.7 ;
- R.sup.2 is hydrogen or one of the radicals mentioned above under R.sup.1.
- 4. A 2-benzoylcyclohexane-1,3-dione of the formula Ia as claimed in claim 1, ##STR31## where the substituents R.sup.1, R.sup.2, Q and A are each as defined in claim 1.
- 5. A 2-benzoylcyclohexane-1,3-dione of the formula Ia as claimed in claim 3 in which A is a group of the formula IIa or IIb.
- 6. A 2-benzoylcyclohexane-1,3-dione of the formula Ia as claimed in claim 3 in which A is a group of the formula III.
- 7. A process for preparing the 2-benzoylcyclohexane-1,3-dione of the formula I as claimed in claim 1, which comprises acylating a cyclohexane-1,3-dione Q with or without substitution with an activated carboxylic acid Va or with a carboxylic acid Vb: ##STR32## where the substituents R.sup.1, R.sup.2 and A are each as defined under claim 1 and L is a nucleophilically exchangeable leaving group, and rearranging the acylation product, if appropriate in the presence of a catalyst, to give the compounds I.
- 8. A composition, which comprises a herbicidally active amount of at least one compound of the formula I or an agriculturally useful salt of I as claimed in claim 1 and auxiliaries which are customarily used for formulating crop protection agents.
- 9. A process for preparing herbicidally active compositions as claimed in claim 8, which comprises mixing a herbicidally effective amount of at least one compound of the formula I or an agriculturally useful salt of I as claimed in claim 1 and auxiliaries which are customarily used for formulating crop protection agents.
- 10. A method for controlling undesirable vegetation, which comprises allowing a herbicidally effective amount of at least one compound of the formula I or an agriculturally useful salt of I as claimed in claim 1 to act on plants, their habitat and/or on seeds.
- 11. A method of using the compounds of the formula I and agriculturally useful salts thereof as claimed in claim 1 as herbicides.
Priority Claims (1)
Number |
Date |
Country |
Kind |
197 26 711 |
May 1997 |
DEX |
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Parent Case Info
This application is a 371 of PCT/EP 98/02448 dated Apr. 24, 1998.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/EP98/02448 |
4/24/1998 |
|
|
11/2/1999 |
11/2/1999 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO98/50377 |
11/12/1998 |
|
|
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
5451578 |
Claremon et al. |
Sep 1995 |
|
5834404 |
Sagae et al. |
Nov 1998 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
278 742 |
Aug 1988 |
EPX |
298 680 |
Jan 1989 |
EPX |