The present application relates to a novel and improved process for preparing 5- (alkoxycarbonyl)- and 5-(carboxamide)-1-aryl-1,2,4-triazole derivatives of the general formulas (III) and (IV), in which Ar1 represents a phenyl group, which is optionally substituted with one or more halogen atoms, R1 represents a (C1-C4)-alkyl group, which is optionally substituted with one or more substituents selected from a fluorine atom, hydroxy and oxo, R2 represents a (C1-C4)-alkoxycarbonyl group, and Ar2 represents a phenyl group or a 5- or 6-membered heteroaryl group attached via a ring carbon atom having one or two ring heteroatoms selected from a nitrogen atom and a sulfur atom, wherein any phenyl group and any 5- or 6- membered heteroaryl group are each optionally substituted, identically or differently, with one or two groups selected from a halogen atom, nitro, cyano, (C1-C4)-alkyl, (C1-C4)-alkoxy, (C1-C4)-alkylsulfanyl, (C1-C4)-alkoxycarbonyl, aminocarbonyl, -C(=O)N(H)CH3, - S(=O)2CH3, and -S(=O)2NH2, wherein said (C1-C4)-alkyl group, said (C1-C4)-alkoxy group and said (C1-C4)-alkylsulfanyl group are each optionally substituted with up to three fluorine atoms, and to novel precursors for preparation thereof.
本申请涉及一种新型和改进的制备5-(烷氧羰基)-和5-(羧酰胺)-1-芳基-
1,2,4-三唑衍
生物的方法,其通式为(III)和(IV),其中Ar1代表一个苯基,可以用一个或多个卤素原子取代,R1代表一个(C1-C4)-烷基,可以用一个或多个从
氟原子、羟基和氧代取代基中选择的取代基取代,R2代表一个(C1-C4)-烷氧羰基基团,Ar2代表一个苯基或通过一个环碳原子连接的一个五元或六元杂环基团,该环原子有一个或两个从氮原子和
硫原子中选择的杂原子,其中任何苯基和任何五元或六元杂环基团可以相同或不同地用一个或两个从卤素原子、硝基、
氰基、(C1-C4)-烷基、(C1-C4)-烷氧基、(C1-C4)-烷基
硫基、(C1-C4)-烷氧羰基、
氨基羰基、-C(=O)N(H)
CH3、-S(=O)2 和-S(=O)2NH2中选择的基团取代,其中所述(C1-C4)-烷基,所述(C1-C4)-烷氧基和所述(C1-C4)-烷基
硫基可以分别选择性地用最多三个
氟原子取代,并且涉及用于制备它们的新型前体。