[EN] METHODS FOR PRODUCING BERAPROST AND ITS DERIVATIVES<br/>[FR] PROCÉDÉS DE PRODUCTION DU BÉRAPROST ET SES DÉRIVÉS
申请人:LUNG BIOTECHNOLOGY PBC
公开号:WO2015179427A1
公开(公告)日:2015-11-26
The present invention is directed to methods for preparing Beraprost and novel synthetic intermediates for Beraprost. In one aspect, a process is provided to produce a pharmaceutical compound represented by the general Formula (I) via a radical cyclization route. The process is completed in fewer steps than the known synthetic methods and may be conducted to prepare commercially useful quantities. In another aspect, synthetic methods are provided for producing Beraprost and its derivatives,, which are stereoselective, efficient, scalable and economical. In another aspect, substantially isomerically pure compounds and intermediates are produced by the above processes.
本发明涉及制备贝拉前列素(Beraprost)的方法以及贝拉前列素的新型合成中间体。在一个方面,提供了通过自由基环化路线生产一般式(I)代表的药物化合物的方法。该过程比已知的合成方法完成步骤更少,并可用于制备商业上有用的数量。在另一个方面,提供了用于生产贝拉前列素及其衍生物的合成方法,这些方法具有立体选择性,高效,可扩展和经济。在另一个方面,通过上述过程生产了基本异构纯化合物和中间体。