Caloxanthone C: a pyranoxanthone from the stem bark of Calophyllum soulattri

Caloxanthone C: a pyranoxanthone from the stem bark of Calophyllum soulattri

The title compound [systematic name: 5,10-dihydroxy-2,2-dimethyl-12-(2-methylbut-3-en-2-yl)pyrano[3,2-b]xanthen-6(2H)-one], C23H22O5, isolated from the stem bark of Calophyllum soulattri, consists of four six-membered rings and a 2-methylbut-3-en-2-yl side chain. The tricyclic xanthone ring system i...

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Bibliographic Details
Main Authors: Mohamed Ibrahim Mohamed Tahir, Soek Sin Teh, Huey Chong Kwong, Siau Hui Mah, Gwendoline Cheng Lian Ee, Sidik Silong
Format: Article
Language:English
Published: International Union of Crystallography 2011-10-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536811036294

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http://scripts.iucr.org/cgi-bin/paper?S1600536811036294

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