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Phytochemistry. 2012 Apr;76:158-61. doi: 10.1016/j.phytochem.2011.09.019. Epub 2012 Jan 14.

An unusual caffeic acid derived bicyclic [2.2.2] octane lignan and other constituents from Cordia rufescens.

Author information

1
Instituto de Química, Universidade Federal da Bahia, Salvador, BA, Brazil.

Abstract

This work reports isolation of an unusual lignan with a bicyclic [2.2.2] octene skeleton, named rufescenolide (1), from stems of Cordia rufescens, along with β-sitosterol, stigmasterol, syringaldehyde, 3-β-O-D-glucopyranosyl-sitosterol, methyl caffeate, 4-methoxy-protocatechuic acid and methyl rosmarinate. Structural characterizations employed IR spectroscopic, ESIHRMS and mono and dimensional NMR spectroscopy.

PMID:
22248687
DOI:
10.1016/j.phytochem.2011.09.019
[Indexed for MEDLINE]

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