csir, ihbt (2007) A PROCESS FOR THE PREPARATION OF PHARMACOLOGICALLY ACTIVE ά-ASARONE FROM TOXIC β-ASARONE RICH ACORUS CALAMUS OIL". 382/DEL/2002 (199804).

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Abstract

The present invention relates to a process for the preparation of high purity and yield aasarone, trans 2,4,5-trimethoxy cinnamaldehyde, 2,4,5-trimethoxy-phenyl propionone, from p-asarone or P-asarone rich Acorus calamus oil containing a and y-asarone by hydrogenating, followed by treatment with DDQ with or without solid support of silica gel or alumina in dry organic solvent and a-asarone can also be obtained by treating the hydrogenated product of P-asarone or P-asarone rich Acorus calamus with DDQ in an aqueous organic solvent to obtain an intermediate 2,4,5-trimethoxy phenyl propionone, which in turn is reduced with sodiumborohydride to obtain the corresponding 2,4,5- trimethoxy-phenyl propanol and followed by final treatment with a dehydrating agent

Item Type:	Patent
Subjects:	Plant sciences Natural Product Chemistry
Divisions:	UNSPECIFIED
Depositing User:	Dr. Aparna Maitra Pati
Date Deposited:	07 Jan 2013 11:30
Last Modified:	07 Jan 2013 11:30
URI:	http://ihbt.csircentral.net/id/eprint/1035

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