Herbicidal sulfonylureas and their use

Details Herbicidal sulfonylureas and their use Herbicidal sulfonylureas and their use

1991-08-02

1993-02-23

Ford, John M.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

544211, 544209, 544113, 544212, 544208, 540598, 504191, 504185, 504178, 504168, 504213, C07D25146, C07D40112, C07D41312, A01N 4366

Patent

active

051886570

ABSTRACT:
Substituted sulfonylureas of the formula I ##STR1## where n and m are each 0 or 1, R.sup.1 is hydrogen, alkyl alkenyl or alkynyl, R.sup.2 is halogen or trifluoromethyl when m is 0, or is alkyl, alkenyl or alkynyl when m is 1, or is trifluoromethyl or chlorodifluoromethyl when X is O or S and m is 1, X is O, S or N-R.sup.4, R.sup.4 is hydrogen or alkyl, R.sup.3 is hydrogen, halogen, alkyl, haloalkyl or alkoxy, A is haloalkyl, halogen, cyano, nitro, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl or a radical ##STR2## B is oxygen or an alkylimino group N-R.sup.6 ; R.sup.5 is hydrogen, unsubstituted or substituted alkyl or unsubstituted or substituted cycloalkyl or is alkenyl or alkynyl and R.sup.6 is hydrogen or alkyl or, together with R.sup.5, forms a C.sub.4 -C.sub.6 -alkylene chain in which a methylene group may be replaced by an oxygen atom or a C.sub.1 -C.sub.4 -alkylimino group, and their environmentally compatible salts, processes and intermediates for the preparation of the compounds I and their use as herbicides and bioregulators.

REFERENCES:
patent: 4443243 (1984-04-01), Forg et al.
patent: 4478635 (1983-01-01), Meyer et al.
patent: 4518776 (1985-05-01), Meyer et al.
patent: 4579583 (1986-04-01), Fory et al.
patent: 4690707 (1987-09-01), Fory et al.
patent: 4816064 (1989-03-01), Konno et al.
patent: 4831138 (1989-05-01), Lachhein
Chemical Abstracts, vol. 109, entry 88185s (1988).
Chemical Abstracts, (1990), 112, 72315K "Synergistic Herbicides Containing a Triazine and an Acetanilide or a Dinitroaniline", Jiro et al.

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