KR890003783A - Herbicide - Google Patents

Abstract

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Description

Herbicide

Since this is an open matter, no full text was included.

Claims (9)

Thiazolotriazole sulfonamide represented by the following general formula (I). (Ⅰ) Wherein 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 ^α or -COR ^α , wherein R ^α 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 alkali metal atom, an ammonium group, a substituted or unsubstituted alkyl, alkenyl, alkynyl, acyl, alkoxycarbonyl or aralkyl group Or a heterocyclic group or a group of the following general formula (II). (Ⅱ) Wherein R ¹ and R ² are as defined above. The thiazolitriazole sulfonamide according to claim 1, wherein R ¹ is hydrogen or an unsubstituted alkyl group having 1 to 6 carbon atoms. The thiazolitriazole 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 compound according to any one of claims 1 to 3, wherein R ³ is one or more alkyl, alkoxy, alkogicarbonyl or alkylthio having 1 to 4 carbon atoms (which may be further substituted), halogen atom, cya Thiazolotriazole sulfonamide which is a phenyl group substituted by a no group, an aminosulfonyl group, a halogen atom, or a nitro group. Thiazolitriazole sulfonamide according to any one of claims 1 to 4, wherein R ⁴ is hydrogen. The compound according to any one of claims 1 to 5, wherein R ¹ and R ² are each hydrogen or methyl, R is at least one alkyl, alkoxy, alcoholcarbonyl or alkylthio group having 1 to 4 carbon atoms, Thiazolotriazole sulfonamide which is a phenyl group 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 comprising the compound of any of the preceding claims 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 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. (Ⅲ) 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.