Intermediates for the preparation of Pregabalin and process for their preparation
申请人:Chemo Ibérica, S.A.
公开号:EP2110372A1
公开(公告)日:2009-10-21
The present invention relates to intermediates useful for the preparation of Pregabalin and to a process for their preparation.
本发明涉及用于制备普雷加巴林的中间体以及它们的制备方法。
[EN] INTERMEDIATES FOR THE PREPARATION OF PREGABALIN AND PROCESS FOR THEIR PREPARATION<br/>[FR] INTERMÉDIAIRES POUR LA PRÉPARATION DE PRÉGABALINE ET LEUR PROCÉDÉ DE PRÉPARATION
申请人:CHEMO IBERICA SA
公开号:WO2009127560A1
公开(公告)日:2009-10-22
The present invention relates to intermediates useful for the preparation of Pregabalin and to a process for their preparation.
本发明涉及用于制备普瑞巴林的中间体以及其制备过程。
Methods for producing substituted acrylic acid esters and use of the latter for producing substituted $G (G)-amino acids
申请人:Przewosny Thomas Michael
公开号:US20050043565A1
公开(公告)日:2005-02-24
The invention relates to methods for producing substituted acrylic acid esters and to the use of the latter for producing substituted γ-amino acids, such as gabapentin and pregabalin. The substituted acrylic acid esters are produced by Wadsworth-Emmons olefination with trialkyl phosphonoacetate in the presence of alkali carbonate as the base, in an aqueous solvent.
Pregabalin intermediates and process for preparing them and Pregabalin
申请人:Chemo Ibérica, S.A.
公开号:EP2053040A1
公开(公告)日:2009-04-29
The present invention provides novel compounds, which are especially useful as intermediates for the preparation of Pregabalin. The invention also relates to process for preparing these intermediates and Pregabalin.
Reaction of organoboranes with ethyl 4-bromocrotonate under the influence of potassium 2,6-di-test-butylphenoxide. A convenient procedure for a four-carbon-atom homologation