AN IMPROVED PROCESS FOR THE PREPARATION OF RIBOCICLIB SUCCINATE AND ITS NOVEL CRYSTALLINE FORMS THEREOF

AN IMPROVED PROCESS FOR THE PREPARATION OF RIBOCICLIB SUCCINATE AND ITS NOVEL CRYSTALLINE FORMS THEREOF

The present invention relates to an improved process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide succinate (1/1) compound of formula-1a and its novel crystalline forms. The said compound of formula-1a is repres...

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Bibliographische Detailangaben
Hauptverfasser: KONDAVEETI, Swapna, NANNAPANENI, Venkaiah Chowdary, MUDDASANI, Pulla Reddy, GHANTA, Naresh, THIRIVEEDHI, Arunkumar, THUMATI, Sathish, RAVI, Janaki Rama Rao, KONAKANCHI, Durga Prasad
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:The present invention relates to an improved process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide succinate (1/1) compound of formula-1a and its novel crystalline forms. The said compound of formula-1a is represented by the following structural formula: Formula-1a