The present invention relates to a process for preparing a compound of formula (I) wherein R represents hydrogen, C1-C2-halogenalkyl, C1-C2-halogenalkoxy, C1-C2-alkylcarbonyl, fluorine or chlorine, R1 represents C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C3-C8-cycloalkyl-C1-C4-alkyl, phenyl, phenyl-C1-C4-alkyl, phenyl-C2-C4-alkenyl or phenyl-C2-C4-alkynyl and X represents fluorine or chlorine; by reacting a compound of formula (II) in a first step A) with a compound of formula R'MgY (III), wherein R represents C1-C6-alkyl or C3-C8-cycloalkyl; and Y represents chlorine or bromine; and in step B) with an anhydride of formula (IV) and optionally further reacting the compound of formula (I) to a triazole derivative of formula (VI).
本发明涉及一种制备式(I)化合物的方法,其中R代表氢、C1-C2-卤代烷基、C1-C2-卤代氧烷基、C1-C2-烷基羰基、
氟或
氯,R1代表C1-C6-烷基、C2-C6-烯基、C2-C6-炔基、C3-C8-环烷基、C3-C8-环烷基-C1-C4-烷基、苯基、苯基-C1-C4-烷基、苯基-C2-C4-烯基或苯基-C2-C4-炔基,X代表
氟或
氯;通过将式(II)化合物在第一步A)中与式R'MgY (III)化合物反应,其中R代表C1-C6-烷基或C3-C8-环烷基;Y代表
氯或
溴;并在步骤B)中与式(IV)的酐反应,可选地进一步将式(I)化合物反应成式(VI)的三唑衍
生物。