[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.
Chemistry of .ALPHA.-Fluoro-.ALPHA.-amino Acids: The First Synthesis of .ALPHA.-Fluoroglycine-Containing Dipeptides.
作者:Yoshio Takeuchi、Makoto Kamezaki、Kiyotoshi Kirihara、Gunter Haufe、Klaus W. Laue、Norio Shibata
DOI:10.1248/cpb.46.1062
日期:——
The Gabriel reaction was used as a key step in the first synthesis of protected α-fluoroglycine-containing dipeptides 10.
Gabriel 反应被用作首次合成受保护的含 α-氟甘氨酸的二肽 10 的关键步骤。
PROCESS FOR PREPARING 2-[(2E)-2-FLUORO-2-(3-PIPERIDINYLIDENE)ETHYL]-1H-ISOINDOLE-1,3(2H)-DIONE
申请人:Lang Yolande Lydia
公开号:US20150141652A1
公开(公告)日:2015-05-21
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.