A benzoic acid ester from Uvaria narum

Virinder S. Parmar*, Kirpal S. Bisht, Abha Malhotra, Amitabh Jha, William Errington, Oliver W. Howarth, Om D. Tyagi, Paul C. Stein, Soren Jensen, Per M. Boll, Carl E. Olsen

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Abstrakt

A new benzoic acid ester, 2-E-[2″-oxo-cyclopent-3″-en-1″-ylidene]ethyl benzoate, together with tritriacontane, tetratriacontanol and β-sitosterol have been isolated from a petrol extract of the leaves of Uvaria narum. The structure of the new ester has been established on the basis of spectral data and finally confirmed by X-ray crystallography. Glut-5(6)-en-3-ol and betulapren-11-ol have also been isolated from a petrol extract of the leaves and stems of U. hookeri; this is the first report of the isolation of the latter compound from the genus Uvaria.

OriginalsprogEngelsk
TidsskriftPhytochemistry
Vol/bind38
Udgave nummer4
Sider (fra-til)951-955
Antal sider5
ISSN0031-9422
DOI
StatusUdgivet - 1. jan. 1995

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