[EN] NEW BICYCLIC DERIVATIVES HAVING BETA2 ADRENERGIC AGONIST AND M3 MUSCARINIC ANTAGONIST ACTIVITIES<br/>[FR] NOUVEAUX DÉRIVÉS BICYCLIQUES PRÉSENTANT UNE ACTIVITÉ AGONISTE DU RÉCEPTEUR BÊTA-2 ADRÉNERGIQUE ET UNE ACTIVITÉ ANTAGONISTE DU RÉCEPTEUR MUSCARINIQUE M3
申请人:ALMIRALL SA
公开号:WO2016046390A1
公开(公告)日:2016-03-31
The present invention relates to novel compounds having β2 adrenergic agonist and M3 muscarinic antagonist dual activity, to pharmaceutical compositions containing them, to the process for their preparation and to their use in respiratory therapies.
[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.