NEW PROCESS FOR THE PREPARATION OF AZITHROMYCIN

The present invention describes a new process for the preparation of azithromycin from a suitable imino ether as precursor, characterised by the fact that the reduction and the reductive methylation of said imino ether are sequentially carried out with a noble metal catalyst and hydrogen in the pres...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	HEGGIE, WILLIAM, DE MOURO VAZ AZEVEDO MENDES, ZITA MARIA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DERIVATIVES THEREOF GENERAL METHODS OF ORGANIC CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SUGARS THEIR RELEVANT APPARATUS TRANSPORTING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The present invention describes a new process for the preparation of azithromycin from a suitable imino ether as precursor, characterised by the fact that the reduction and the reductive methylation of said imino ether are sequentially carried out with a noble metal catalyst and hydrogen in the presence of formaldehyde, or a source thereof, wherein both reactions can be conducted in the same reaction vessel.