PURIFICATION OF MONTELUKAST

The present invention provides methods of purifying montelukast, a new isolated impurity of montelukast, method for its isolation, and method of using montelukast impurity as a reference marker and a reference standard.

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Bibliographische Detailangaben
Hauptverfasser:	STERIMBAUM GRETA, CHEN KOBI, SHAPIRO EVGENY
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The present invention provides methods of purifying montelukast, a new isolated impurity of montelukast, method for its isolation, and method of using montelukast impurity as a reference marker and a reference standard.