[EN] IMPROVED PROCESS FOR PREPARING 2-[(2E)-2-FLUORO-2-(3-PIPERIDINYLIDENE)ETHYL]-1H-ISOINDOLE-1,3(2H)-DIONE<br/>[FR] PROCÉDÉ AMÉLIORÉ DE PRÉPARATION DE 2-[(2E)-2-FLUORO-2- (3-PIPÉRIDINYLIDÈNE)ÉTHYL]-1H-ISOINDOLE-1,3(2H)-DIONE
申请人:JANSSEN PHARMACEUTICA NV
公开号:WO2013045599A1
公开(公告)日:2013-04-04
The present invention relates to an improved process for preparing 2-[(2E)-2-fluoro-2-(3-piperidinylidene)ethyl]-1H-isoindole-1,3(2H)-dione, or a salt thereof, which is an intermediate in the synthesis route of the antibacterial compound 7-[(3E)-3-(2-amino-1- fluoroethylidene)-1-piperidinyl]-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo 3-quinolinecarboxylic acid.
本发明涉及一种改进的制备2-[(2E)-2-氟-2-(3-哌啶基亚乙基)-1H-异吲哚-1,3(2H)-二酮,或其盐的过程,该化合物是抗菌化合物7-[(3E)-3-(2-氨基-1-氟乙烯亚基)-1-哌啶基]-1-环丙基-6-氟-1,4-二氢-8-甲氧基-4-酮-3-喹啉羧酸合成途径中的中间体。