NOVEL PROCESS FOR PREPARATION OF OPTICALLY PURE AND OPTIONALLY SUBSTITUTED 2-(1-HYDROXY-ALKYL)-CHROMEN-4-ONE DERIVATIVES AND THEIR USE IN PREPARING PHARMACEUTICALS

NOVEL PROCESS FOR PREPARATION OF OPTICALLY PURE AND OPTIONALLY SUBSTITUTED 2-(1-HYDROXY-ALKYL)-CHROMEN-4-ONE DERIVATIVES AND THEIR USE IN PREPARING PHARMACEUTICALS

The present invention relates to compounds useful as pharmaceutical intermediates, to processes for preparing the intermediates, to intermediates used in the processes, and to the use of the intermediates in the preparation of pharmaceuticals. In particular, the present invention concerns enantiomer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VAKKALANKA, Swaroop Kumar Venkata Satya, RAMAN, Jayaraman Venkat
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to compounds useful as pharmaceutical intermediates, to processes for preparing the intermediates, to intermediates used in the processes, and to the use of the intermediates in the preparation of pharmaceuticals. In particular, the present invention concerns enantiomerically pure optionally substituted 2-( 1-hydroxy-alkyl) chromen-4-one derivatives represented by formula (IA) and (IB), processes for preparing the alcohol derivatives and their use in preparing pharmaceuticals.