PROCESSES FOR THE PREPARATION OF RIBOCICLIB AND INTERMEDIATES THEREOF

PROCESSES FOR THE PREPARATION OF RIBOCICLIB AND INTERMEDIATES THEREOF

The present invention provides processes for the preparation of Ribociclib, as well as intermediates useful in the preparation thereof. In particular, processes are provided for the preparation of a compound of Formula (4), and its conversion to Ribociclib (1).

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Bibliographische Detailangaben
Hauptverfasser: DOU, DAOKE, ZHANG, FUCHANG, GUO, WANCHENG, LI, KANGYING, PEI, JIANG
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention provides processes for the preparation of Ribociclib, as well as intermediates useful in the preparation thereof. In particular, processes are provided for the preparation of a compound of Formula (4), and its conversion to Ribociclib (1).