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Chromanone Derivatives from the Pericarps of Calophyllum polyanthum
(Helvetica Chimica Acta) Saturday November 27th 2010
Author(s): Huan Wang, Qian?Yun Sun, Fu?Mei Yang, Chun?Lin Long, Yue?Hu Wang, Gui?Hua Tang, Fu?Wei Zhao, Hong?Mei Niu, Qiao?Qin Huang, Jin?Jin Xu, Yusuke Wataya, Li?Juan Ma,
DOI:10.1002/hlca.201000066

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Abstract

Three new chromanone derivatives, calopolyanic acid (1), isocalopolyanic acid (2), and isorecedensic acid (3), were isolated from the pericarps of Calophyllum polyanthumWall. ex Choisy, along with seven known compounds, apetalic acid, blancoic acid, chapelieric acid, methyl isoapetalate, isoapetalic acid, isocalolongic acid, and recedensic acid. All of these compounds were reported from C. polyanthum for the first time. The structures of 13 were elucidated by spectroscopic methods.



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