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Natural Product Research
Formerly Natural Product Letters
Volume 28, 2014 - Issue 19
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Articles

A new coumarin from Calophyllum hosei

Shaari Bin DaudDepartment of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400Serdang, SelangorMalaysia;Department of Chemistry, Faculty of Applied Science, Universiti Teknologi MARA, 26400Jengka, PahangMalaysia
,
Gwendoline Cheng Lian EeDepartment of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400Serdang, SelangorMalaysiaCorrespondence[email protected]
,
Emilia Abd MalekDepartment of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400Serdang, SelangorMalaysia
,
Soek Sin TehDepartment of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400Serdang, SelangorMalaysia
&
Irene SeeDepartment of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400Serdang, SelangorMalaysia
Pages 1534-1538 | Received 02 Apr 2014, Accepted 10 May 2014, Published online: 04 Jun 2014
 
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Abstract

A new coumarin, hoseimarin (1), together with four other xanthones, trapezifolizanthone (2), osajaxanthone (3), β-mangostin (4) and caloxanthone A (5), were isolated from the stem bark of Calophyllum hosei. The structures of these compounds were established by using spectroscopic analysis which included 1H NMR, 13C NMR, COSY, DEPT, HMQC and HMBC experiments.

Acknowledgement

The authors wish to express their gratitude for the financial support from UPM and MOSTI under the Agri Science Fund as well as the SBC.

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