[EN] SYNTHESIS OF 3-{[(2R)-1-METHYLPYRROLIDIN-2-YL]METHYL}-5-[2-(PHENYLSULFONYL)ETHYL]-1H-INDOLE [FR] SYNTHÈSE DE 3-{[(2R)-1-MÉTHYLPYRROLIDIN-2-YL]MÉTHYL}-5-[2-(PHÉNYLSULFONYL)ÉTHYL]-1H-INDOLE
Second-Generation Process Research Towards Eletriptan: A Fischer Indole Approach
摘要:
The development of a second-generation process for the synthesis of eletriptan via a Fischer indole cyclisation is described. The finalised process offers several potential advantages over the current route of manufacture including cost, throughput, and safety.
METHODS AND SYSTEMS FOR DESIGNING AND/OR CHARACTERIZING SOLUBLE LIPIDATED LIGAND AGENTS
申请人:TUFTS MEDICAL CENTER
公开号:US20160052982A1
公开(公告)日:2016-02-25
The present application provides methods for preparing soluble lipidated ligand agents comprising a ligand entity and a lipid entity, and in some embodiments, provides relevant parameters of each of these components, thereby enabling appropriate selection of components to assemble active agents for any given target of interest.
The present invention relates to a novel process for the preparation of (R)-3-((1-methylpyrrolidin-2-yl)methyl)-5-(2-(phenylsulfonyl)ethyl)-1H-indole and its intermediates thereof.
PROCESS FOR PREPARATION OF ELETRIPTAN AND SALT THEREOF
申请人:Sathe Dhananjay Govind
公开号:US20120071669A1
公开(公告)日:2012-03-22
The present invention relates to an improved process for the preparation of 3-(N-methyl-2(R)-pyrrolidinyl methyl)-5-[2-(phenyl sulfonyl)ethyl]-1H-indole or pharmaceutically acceptable salts thereof, particularly 3-(N-methyl-2(R)-pyrrolidinyl methyl)-5-[2-(phenyl sulfonyl)ethyl]-1H-indole hydrobromide (Eletriptan hydrobromide). The present invention further relates to novel polymorphs of 3-(N-methyl-2(R)-pyrrolidinyl methyl)-5-[2-(phenyl sulfonyl)ethenyl]-1H-indole hydrobromide and process for preparation thereof.
[EN] MODIFIED FISCHER INDOLE SYNTHESIS OF ELETRIPTAN<br/>[FR] PREPARATION D'ELETRIPTAN CONSISTANT EN UNE SYNTHESE MODIFIEE D'INDOLE PAR LA METHODE DE FISCHER
申请人:PFIZER LTD
公开号:WO2005103035A1
公开(公告)日:2005-11-03
The present invention relates to a new process for the preparation of eletriptan (I), or its enantiomer comprising a modified Fischer indole synthesis, namely the reaction of a compound of formula (II), wherein R1 is a suitable hydrazine protecting group, with a compound of formula (III) wherein R2 is an aldehyde group (-CHO) or the functional equivalent thereof.
[EN] PROCESS FOR PREPARING ELETRIPTAN HYDROBROMIDE HAVING a-FORM<br/>[FR] PROCÉDÉ DE PRÉPARATION DE BROMHYDRATE D'ÉLÉTRIPTAN AYANT UNE FORME ?
申请人:SMS PHARMACEUTICALS LTD
公开号:WO2011089614A1
公开(公告)日:2011-07-28
A process for preparation of eletriptan hydrobromide having α-form of formula (I) is described that includes reducing 3-((R)-1-methylpyrrolidin-2-yl)methyl)-5-((E)-2-(phenylsulfonyl)vinyl)-1H-indole of formula (II) in presence of a metal catalyst to the product of formula (III) and then converting to hydrobromide salt having α-form of formula (I).