KR870010063A - Herbicide - Google Patents

Abstract

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Description

Herbicide

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Claims (9)

Thiazolotriazole sulfonamide represented by the following general formula (I). In the above formula, R ¹ and R ² may be the same or different from each other, and each hydrogen, hydroxy, halo, cyano, substituted or unsubstituted alkyl, alkoxy, alkenyloxy, alkynyloxy, aryl, aralkyl, heteroaryl or Carbamoyl, or a group-COR ^a or -CO ₂ R ^a , wherein R ^a is hydrogen or alkyl, or R ¹ and R ² together are an alkylene chain of 3 or 4 carbon atoms, R ³ is a substituted or unsubstituted aryl, heterocyclyl or benzheterocyclyl group, R ⁴ is hydrogen, an alkyl metal atom, an ammonium group, substituted or unsubstituted alkyl, alkenyl, alkynyl, acyl, alkoxycarbonyl or aralkyl group, heterocyclic group or a group of the following general formula (II). Wherein R ¹ and R ² are as defined above. The thiazolitriazole sulfonamide of claim 1, wherein R ¹ is hydrogen or an unsubstituted alkyl group having 1 to 6 carbon atoms. The thiazolotriazole sulfonamide according to claim 1 or 2, wherein R ² is hydrogen or an unsubstituted alkyl group having 1 to 6 carbon atoms. 4. A halogen compound according to any one of claims 1 to 3, wherein R ³ is one or more alkyl, alkoxy, alkoxycarbonyl or alkylthio groups having 1 to 4 carbon atoms (which may be further substituted), halogen atoms, Thiazolotriazone sulfonamido which is a phenyl group substituted by a cyano group, an aminosulfonyl group, a halogen atom or a nitro group. Thiazolotriazole sulfonamide according to any one of claims 1 to 4, wherein R ⁴ is hydrogen. The alkyl, alkoxy, alkoxycarbonyl or alkylthio group of any one of claims 1 to 5, wherein R ¹ and R ² are each hydrogen or methyl, and R ³ is one or more carbon atoms. , Thiazolotriazole sulfonamide wherein phenyl is substituted by a halogen atom or a nitro group and R ⁴ is hydrogen. N- (2,6-difluorophenyl) thiazolo [3,2-b] [1,2,4] triazole-2-sulfonamide. A herbicidal composition consisting of at least one compound according to any one of claims 1 to 7, together with a suitable carrier and / or surfactant. A method for producing thiazolotriazole sulfonamide according to claim 1, wherein the thiazolotriazole sulfonyl halide of the following general formula (III) is reacted with an amine of the formula R ³ R ⁴ NH in the presence of a base to obtain a target compound. Wherein R ¹ and R ² are as defined in claim 1, Hal is halogen, and R ³ and R ⁴ are as defined in claim 1. ※ Note: The disclosure is based on the initial application.