Herbicidal benzoxazinone- and benzothiazinone-substituted pyrazo

Details Herbicidal benzoxazinone- and benzothiazinone-substituted pyrazo Herbicidal benzoxazinone- and benzothiazinone-substituted pyrazo

1991-09-25

1994-01-25

Rizzo, Nicholas S.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

504219, 504221, 540481, 540575, 540599, 544 51, 544 52, 544 73, 544101, 544105, 544140, 544354, 546279, 548215, 5483061, 5483644, 5483647, 5483651, 5483657, 5483771, A01N 4384, C07D41302, C07D41702

Patent

active

052815714

ABSTRACT:
The invention herein relates to titled compounds having the structure ##STR1## wherein the R.sub.1 -(R.sub.4).sub.n members are as defined in the claims. Characteristic features of these compounds are the haloalkyl R.sub.2 radical and cyclization of two R.sub.4 members at the meta and para positions of the phenyl ring to form a substituted benzoxazinone ring fused to the phenyl or benzthiazinone ring. Such compounds are useful as active ingredients in herbicidal compositions to control undesirable weeds in various crops.

REFERENCES:
patent: 3326662 (1967-06-01), Toyosato
patent: 4008249 (1977-02-01), Fischer et al.
patent: 5032165 (1991-07-01), Miura et al.
patent: 5045106 (1991-09-01), Moedritzer et al.
patent: 5108483 (1992-04-01), Kunisch et al.
patent: 5156668 (1992-10-01), Enomoto et al.
J. Berlengua, "Sunthesis of Halogenated . . . 4-Chloropyrazoles", J. Heterocycl. Chem. 23(2) 459-61 1986 (abstract).
Phosphorus, 5(1), 21-29 (1974), Hartmann et al.
Chem. Ber. 112, 2620, (1979), Burger et al.

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