Venuloxanthone, a new pyranoxanthone from the stem bark of Calophyllum venulosum

A new pyranoxanthone, venuloxanthone (1), was isolated from the stem bark of Calophyllum venulosum, together with three other xanthones, tovopyrifolin C (2), ananixanthone (3) and caloxanthone I (4), along with two common triterpenes, friedelin (5) and lupeol (6). The structures of these compounds w...

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Bibliographic Details
Published in:Journal of Asian Natural Products Research
Main Author: Bin Ismail A.A.F.; Ee G.C.L.; Bin Daud S.; Teh S.S.; Hashim N.M.; Awang K.
Format: Article
Language:English
Published: Taylor and Francis Ltd. 2015
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-84947032886&doi=10.1080%2f10286020.2015.1047353&partnerID=40&md5=b74d0c840fd4e85c5c8f307f5ca31623
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Summary:A new pyranoxanthone, venuloxanthone (1), was isolated from the stem bark of Calophyllum venulosum, together with three other xanthones, tovopyrifolin C (2), ananixanthone (3) and caloxanthone I (4), along with two common triterpenes, friedelin (5) and lupeol (6). The structures of these compounds were identified using several spectroscopic analyses which are NMR, GCMS and FTIR experiments. © 2015 Taylor and Francis.
ISSN:10286020
DOI:10.1080/10286020.2015.1047353