[EN] METHODS FOR SYNTHESIZING N-(PHENYLSULFONYL)BENZAMIDE COMPOUNDS AND INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉS DE SYNTHÈSE DE COMPOSÉS DE N-(PHÉNYLSULFONYL)BENZAMIDE ET D'INTERMÉDIAIRES DE CEUX-CI
申请人:ASCENTAGE PHARMA SUZHOU CO LTD
公开号:WO2022002178A1
公开(公告)日:2022-01-06
Disclosed is a method for synthesizing N-(phenylsulfonyl) benzamide compound and intermediate thereof. The method comprises a method for synthesizing a compound 1, comprising conducting a Buchwald-Hartwig coupling reaction as shown below with compound A and compound B in a solvent and in the presence of a base and a palladium catalyst to obtain the compound 1; wherein R is C1-C8 alkyl. The present disclosure synthesizes three intermediate compounds required by the target compound and their preparation methods for the first time. Using the method disclosed in the present disclosure to synthesize the target compound 3 has the advantages of high yield, good purity, easy-to-obtain reaction raw materials, suitable for industrial production.
揭示了一种合成N-(苯磺酰基)苯甲酰胺化合物及其中间体的方法。该方法包括合成化合物1的方法,包括在溶剂中,在碱和钯催化剂的存在下,通过进行如下所示的Buchwald-Hartwig偶联反应,用化合物A和化合物B来获得化合物1;其中R是C1-C8烷基。本公开揭示了首次合成目标化合物所需的三种中间体化合物及其制备方法。利用本公开揭示的方法合成目标化合物3具有高产率、良好纯度、易得的反应原料、适合工业生产的优点。