Process for the preparation of a novel umeclidinium synthesis intermediate

Process for the preparation of a novel umeclidinium synthesis intermediate

The present invention relates to a process for the preparation of a novel and versatile synthesis intermediate and its use in the preparation of umeclidinium. The invention also relates to some reference standards allowing to detect impurity traces recurring in the preparation of umeclidinium and a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Di Fabio, Romano, Sada, Mara, Ronzoni, Silvano, Maiorana, Stefano, Bertolini, Giorgio, Colli, Corrado, Nisic, Filippo, Bertuolo, Stefania
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to a process for the preparation of a novel and versatile synthesis intermediate and its use in the preparation of umeclidinium. The invention also relates to some reference standards allowing to detect impurity traces recurring in the preparation of umeclidinium and a process for their preparation.