Structural Elucidation of a New Sesquiterpene Alcohol by Comparative NMR Studies

The principal constituent of the essential oil from the leaves of the Cordia verbenacea plants collected in Minas Gerais, Brazil had a GC retention time similar to that of α-bisabolol, a sesquiterpene alcohol with important biological properties. NMR analyses ( 1H, 13C, DEPT-135, COSY, HMQC and HMBC...

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Bibliographic Details
Published in:Records of natural products 2015-01, Vol.9 (2), p.201
Main Authors: Luiz Gustavo de Lima Guimarães, Maria das Graças Cardoso, Ferreira Lucas, Esther Maria, Matheus Puggina de Freitas, Welington Francisco, David Lee Nelson
Format: Article
Language:English
Subjects:
Alcohol
Chromatography
NMR
Nuclear magnetic resonance
Oils & fats
Retention
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Summary:The principal constituent of the essential oil from the leaves of the Cordia verbenacea plants collected in Minas Gerais, Brazil had a GC retention time similar to that of α-bisabolol, a sesquiterpene alcohol with important biological properties. NMR analyses ( 1H, 13C, DEPT-135, COSY, HMQC and HMBC) comparing the purified compound with α-bisabolol compound revealed that the new alcohol is an isomer structural of α-bisabolol, due to change in relation to the position of the double bond and the methyl group present in the cyclic chain of these compounds.
ISSN:1307-6167