Indazolesulfonylurea derivative, its use and intermediate for it

Details Indazolesulfonylurea derivative, its use and intermediate for it Indazolesulfonylurea derivative, its use and intermediate for it

1995-01-30

1996-07-09

Ford, John M.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

544321, 544324, 544331, C07D40312, A01N 4354

Patent

active

055344810

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

The present invention relates to a novel indazolesulfonylurea derivative (hereinafter referred to as a compound of the present invention), an intermediate for its production and a herbicide containing it as an active ingredient.


BACKGROUND ART

Heretofore, many sulfonylurea derivatives such as sulfometuron-methyl have been known as herbicides. Japanese Unexamined Patent Publication No. 95091/1992 discloses a herbicide containing an indazolesulfonylurea as an active ingredient. However, the compound of the present invention i.e. a sulfonylurea derivative having a sulfamoyl group substituted at the 3-position of an indazole ring, has not been known. Further, the intermediate for its production i.e. an indazolesulfonamide derivative, has also not been known.
It is known that sulfonylurea derivatives have herbicidal activities, but such compounds are not necessarily practically satisfactory, for example, in that their herbicidal effects are inadequate.
Under these circumstances, the present inventors have conducted various studies, and as a result, they have found that the compound of the present invention is an excellent herbicide having a high activity and has finally accomplished the present invention.


DISCLOSURE OF THE INVENTION

Namely, the present invention provides an indazolesulfonylurea derivative represented by the general formula: ##STR2## {wherein R.sup.1 is a hydrogen atom, an alkyl group, a cycloalkyl group, a haloalkyl group, an alkoxyalkyl group, a benzyloxyalkyl group, a benzyl group, a phenyl group, a pyridyl group, a dialkylaminocarbonyl group, an alkoxycarbonyl group, an alkylsulfonyl group, a phenylsulfonyl group, a dialkylaminosulfonyl group, a haloalkylcarbonyl group, an alkylcarbonyl group, a benzoyl group or an alkenyl group, R.sup.2 and R.sup.3 are the same or different and represent a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkoxycarbonylalkenyl group, an alkynyl group, a haloalkyl group, an alkoxyalkyl group, an alkoxycarbonylalkyl group, an alkylcarbonylalkyl group, a cycloalkylcarbonylalkyl group, a cyanoalkyl group, a dialkylaminocarbonylalkyl group, a dialkylaminoalkyl group, a dialkylaminosulfonylalkyl group, an azidoalkyl group, a benzyl group, a phenyl group, a nitro group, a cyano group, an azide group, an amino group, a monoalkylamino group, a dialkylamino group, a benzylamino group, an alkylcarbonylamino group which may be substituted by a halogen atom, a benzoylamino group, an alkoxycarbonylamino group, a phenoxycarbonylamino group, an alkylsulfonylamino group wherein the amino group may be substituted by an alkyl group, a phenylsulfonylamino group wherein the amino group may be substituted by an alkyl group, an alkylideneamino group, a benzylideneamino group, a tetrazolyl group which may be substituted, a group represented by the formula --COR.sup.4 (wherein R.sup.4 is a hydrogen atom, a hydroxyl group, an alkyl group, a cycloalkyl group, a haloalkyl group, an alkenyl group, an alkynyl group, a benzyl group, a phenyl group, an alkoxy group, a haloalkoxy group, an alkoxyalkoxy group, an alkenyloxy group, a haloalkenyloxy group, an alkynyloxy group, a benzyloxy group or a phenoxy group), a group represented by the formula --C(O)NR.sup.5 R.sup.6 (wherein R.sup.5 and R.sup.6 are the same or different and represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, a benzyl group, a phenyl group or an alkoxy group), a group represented by the formula --SR.sup.7 (wherein R.sup.7 is a hydrogen atom, an alkyl group or a haloalkyl group), a group represented by the formula --SO.sub.2 NR.sup.5 R.sup.6 (wherein R.sup.5 and R.sup.6 have the same meanings as defined above), a group represented by the formula --S(O).sub.n R.sup.8 (wherein n represents an integer of 1 or 2, and R.sup.8 represents an alkyl group, an alkenyl group or a haloalkyl group), a group represented by the formula --OR.sup.9 [wherein R.sup.9 is a hydrogen atom, an alkyl group, a cycloalkylalkyl group, an alkenyl group, an alkyny

REFERENCES:
patent: 4622062 (1986-11-01), Wexler

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