Benzoyl derivatives

Plant protecting and regulating compositions – Plant growth regulating compositions – Organic active compound containing

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549 23, A01N 4318, C07D33504, C07D33506

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060544147

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BRIEF SUMMARY
The present invention relates to novel benzoyl derivatives having herbicidal action, processes for preparing the benzoyl derivatives, compositions which contain the latter and the use of these derivatives or compositions containing the latter for controlling weeds.
Herbicidally active 2-aroylcyclohexanediones are disclosed in the literature, for example in EP 283261, EP 90262, EP 135191, EP 186118, EP 186119, EP 186120, EP 319075, WO 9005712, WO 9404524, WO 9408988, JO3052862 and JO 3120202.
The herbicidal properties of the known compounds and the tolerability for crop plants, however, are only satisfactory to a limited extent.
It is an object of the present invention to find novel 2-aroylcyclohexanediones having improved properties.
We have found that this object is achieved by the benzoyl derivatives of the formula I ##STR3## where 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; halogen, cyano, nitro, a group --(A).sub.m --S(O).sub.n R.sup.1 or a group --(A).sub.m --CO--R.sup.2 ; --OR.sup.8, CR.sup.10 R.sup.11, CR.sup.7 --SR.sup.8 ; 1, 3-dioxanyl or 1,3-dioxolanyl substituted by hydrogen or C.sub.1 -C.sub.4 -alkyl; a heteroatom selected from the group oxygen, sulfur and nitrogen; R.sup.22 --), (--CR.sup.12 .dbd.CR.sup.13 --), (--CR.sup.12 R.sup.13 --CR.sup.12 .dbd.CR.sup.13 --); NR.sup.23 the bond between X and Y can be saturated or unsaturated; NR.sup.14 ; -C.sub.4 -alkoxy or NR.sup.14 ; -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -haloalkenyl, C.sub.2 -C.sub.6 -alkynyl; monosubstituted to polysubstituted phenyl, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, cyano, nitro; mono- to polysubstituted benzyl, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, cyano, nitro; mono- to polysubstituted benzyloxy, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, cyano, nitro; C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.dbd.O--NR.sup.14 ; monosubstituted to polysubstituted phenyl, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, cyano, nitro; mono- to polysubstituted benzyl, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, cyano, nitro; C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.dbd.O--NR.sup.14 ; monosubstituted to polysubstituted phenyl, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, cyano, nitro; mono- to polysubstituted benzyl, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, cyano, nitro; -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.2 -C.sub.6 -haloalkenyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy; monosubstituted to polysubstituted phenyl, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, cyano, nitro; mono- to polysubstituted benzyl, it being possible for the substituents to consist of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C

REFERENCES:
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patent: 4740519 (1988-04-01), Shroot et al.
patent: 4780127 (1988-10-01), Michaely et al.
patent: 5015658 (1991-05-01), Chandraratna
patent: 5420273 (1995-05-01), Klaus et al.
patent: 5468878 (1995-11-01), Nasuno et al.
patent: 5480858 (1996-01-01), Sakamoto et al.
Abstract JP 3120-202, Oct. 3, 1989.

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