[EN] THIO-1,2,4-TRIAZOLE DERIVATIVES AND METHOD FOR PREPARING THE SAME<br/>[FR] DÉRIVÉS DE THIO-1,2,4-TRIAZOLE ET LEUR PROCÉDÉ DE PRÉPARATION
申请人:SUNSHINE LAKE PHARMA CO LTD
公开号:WO2014198241A1
公开(公告)日:2014-12-18
Provided is a process for preparing a compound shown as formula (I), comprising a step of contacting a compound shown as formula (II) or a salt thereof with a brominating agent, wherein R1is OR2 or NR3R4; R2 is C1-C6 alkyl or phenyl; each R3, R4 is independently H, C1-C6 alkyl or cycloalkyl, wherein C1-C6 alkyl, cycloalkyl, or phenyl is optionally further substituted by F, Cl, Br, CH3 or CF3. A process for preparing a compound shown as formula (II), a process for preparing a compound shown as formula (V), a process for preparing a compound shown as formula (III), and an intermediate compound as shown as formula (IIa) or formula (Ib) are also provided.
提供了一种制备如公式(I)所示化合物的方法,包括将如公式(II)所示化合物或其盐与溴化剂接触的步骤,其中R1为OR2或NR3R4;R2为C1-C6烷基或苯基;每个R3、R4独立地为H、C1-C6烷基或环烷基,其中C1-C6烷基、环烷基或苯基可以选择性地进一步被F、Cl、Br、CH3或CF3取代。还提供了制备如公式(II)所示化合物的方法,制备如公式(V)所示化合物的方法,制备如公式(III)所示化合物的方法,以及如公式(IIa)或公式(Ib)所示的中间体化合物。