[EN] METHOD FOR SYNTHESIS OF ROXADUSTAT AND INTERMEDIATE THEREOF, AND INTERMEDIATE THEREOF [FR] PROCÉDÉ DE SYNTHÈSE DE ROXADUSTAT ET DE SON INTERMÉDIAIRE ET INTERMÉDIAIRE ASSOCIÉ [ZH] 一种罗沙司他及其中间体的合成方法和其中间体
[EN] PROCESS FOR THE PREPARATION OF ROXADUSTAT AND ITS INTERMEDIATES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE ROXADUSTAT ET DE SES INTERMÉDIAIRES
申请人:DR REDDYS LABORATORIES LTD
公开号:WO2019106621A1
公开(公告)日:2019-06-06
The present invention provides the process for the preparation of Roxadustat and its intermediates. Another aspect of the present invention provides a process for preparation of ethyl-5-(2-butoxycarbonyl)-4-phenoxyphenyl) oxazole-4-carboxylate of the formula (X) and its use in the preparation of Roxadustat. Another aspect of the present invention provides a process for the preparation of ethyl-4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylate of the formula (XIII) and its use in the preparation of Roxadustat.
[EN] NITROGEN-CONTAINING HETEROARYL COMPOUNDS AND THEIR USE IN INCREASING ENDOGENOUS ERYTHROPOIETIN<br/>[FR] COMPOSES HETEROARYLIQUES CONTENANT DE L'AZOTE ET LEUR UTILISATION DANS L'AUGMENTATION DE L'ERYTHROPOIETINE ENDOGENE
申请人:FIBROGEN INC
公开号:WO2004108681A1
公开(公告)日:2004-12-16
The present invention relates to compounds suitable for use in mediating hypoxia inducible factor and for treating erythropoietin-associated conditions by increasing endogenous erythropoietin in vitro and in vivo.
Nitrogen-containing heteroaryl compounds and methods of use thereof
申请人:Fibrogen, Inc.
公开号:US07323475B2
公开(公告)日:2008-01-29
The present invention relates to compounds suitable for use in mediating hypoxia inducible factor and for treating erythropoietin-associated conditions by increasing endogenous erythropoietin in vitro and in vivo.
NOVEL NITROGEN-CONTAINING HETEROARYL COMPOUNDS AND METHODS OF USE THEREOF
申请人:Arend Michael P.
公开号:US20080293763A1
公开(公告)日:2008-11-27
The present invention relates to compounds suitable for use in mediating hypoxia inducible factor and for treating erythropoietin-associated conditions by increasing endogenous erythropoietin in vitro and in vivo.