5,8-Dihydroxy-2,2-dimethyl-12-(3-methylbut-2-enyl)pyrano[3,2-b]xanthen-6-one (brasixanthone B)
The title compound (trivial name brasixanthone B), C23H22O5, isolated from Calophyllum gracilentum, is characterized by a xanthone skeleton of three fused six-membered rings plus an additional fused pyrano ring and one 3-methylbut-2-enyl side chain. The core xanthone moiety is almost planar, with a...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
International Union of Crystallography
2023-01-01
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Series: | IUCrData |
Subjects: | |
Online Access: | http://scripts.iucr.org/cgi-bin/paper?S2414314622011981 |