Herbicidally, acaricidally and insecticidally active pyrazolidin

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

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504253, 514338, 514405, 546271, 5483631, A01N 4356, C07D48704

Patent

active

054948908

ABSTRACT:
The present invention relates to herbicidally, acaricidally and insecticidally active pyrazolidine-3,5-diones of the formula I ##STR1## in which R.sub.1 is ##STR2## R.sub.2 and R.sub.3 independently of one another are C.sub.1 -C.sub.6 alkyl; C.sub.3 -C.sub.6 alkenyl; or C.sub.3 -C.sub.6 alkynyl; or
R.sub.2 and R.sub.3 together are a --(CH.sub.2).sub.3 --, --(CH.sub.2).sub.4 --, --CH.sub.2 --CH.dbd.CH--CH.sub.2 --, --CH.sub.2 --CH.dbd.CH-- or --(CH.sub.2).sub.2 --CH.dbd.CH-- bridge which is unsubstituted or up to trisubstituted by C.sub.1 -C.sub.4 alkyl;
n is 0; 1; 2; 3; or 4;
m is 0; or 1; the total of m and n being less than, or equal to, 4; the
R.sub.4 radicals independently of one another are halogen; nitro; cyano, C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.10 alkoxy; C.sub.1 -C.sub.4 haloalkoxy; C.sub.3 -C.sub.6 alkenyloxy; C.sub.1 -C.sub.4 alkoxy-C.sub.2 -C.sub.4 alkoxy; C.sub.3 -C.sub.6 alkynyloxy; C.sub.1 -C.sub.4 alkylcarbonyl; C.sub.1 -C.sub.4 alkoxycarbonyl; C.sub.1 -C.sub.4 alkylthio; C.sub.1 -C.sub.4 alkylsulfinyl; C.sub.1 -C.sub.4 alkylsulfonyl; amino; mono-C.sub.1 -C.sub.4 alkylamino; di-C.sub.1 -C.sub.4 alkylamino;
R.sub.5 is ##STR3## X is oxygen; sulfur; CH.sub.2 ; or NR.sub.7 ; o is 0; 1; 2; or 3;
R.sub.6 radicals independently of one another are C.sub.1 -C.sub.4 alkyl; halogen; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 haloalkoxy; C.sub.1 -C.sub.4 alkoxy; nitro; cyano; C.sub.1 -C.sub.4 alkoxycarbonyl; amino; mono-C.sub.1 -C.sub.4 alkylamino; or di-C.sub.1 -C.sub.4 alkylamino; and
R.sub.7 is hydrogen; C.sub.1 -C.sub.4 alkyl; formyl; or C.sub.1 -C.sub.4 alkylcarbonyl;
the acid addition salts thereof, herbicidally, acaricidally or insecticidally active compositions as well as to methods for controlling weeds, Acarina or insects.

REFERENCES:
patent: 4128425 (1978-12-01), Greenwald

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