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Molbank 2016, 2016(3), M906; doi:10.3390/M906

5,9,11-Trihydroxy-2,2-dimethyl-10-(3′-methyl-2′-butenyl)-3-(2″-methyl-3″-butenyl)pyrano[2,3-a]xanthen-12(2H)-one from the Stem Bark of Calophyllum pseudomole

1
Natural Products Chemistry Research Group, Organic Chemistry Division, Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya 60115, Indonesia
2
Airlangga Health Science Institute, Universitas Airlangga, Surabaya 60115, Indonesia
*
Author to whom correspondence should be addressed.
Academic Editor: Norbert Haider
Received: 7 July 2016 / Revised: 9 August 2016 / Accepted: 15 August 2016 / Published: 22 August 2016
(This article belongs to the Section Natural Products)
View Full-Text   |   Download PDF [866 KB, uploaded 22 August 2016]   |  

Abstract

5,9,11-Trihydroxy-2,2-dimethyl-10-(3′-methyl-2′-butenyl)-3-(2″-methyl-3″-butenyl)-pyrano[2,3-a]xanthen-12(2H)-one (1) was isolated from the stem bark of Calophyllum pseudomole. The structure of 1 was established by spectroscopic analysis which included UV, IR, HRESIMS and NMR experiments. View Full-Text
Keywords: 5,9,11-trihydroxy-2,2-dimethyl-10-(3′-methyl-2′-butenyl)-3-(2″-methyl-3″butenyl)- pyrano[2,3-a]xanthen-12(2H)-one; xanthone; Calophyllum pseudomole 5,9,11-trihydroxy-2,2-dimethyl-10-(3′-methyl-2′-butenyl)-3-(2″-methyl-3″butenyl)- pyrano[2,3-a]xanthen-12(2H)-one; xanthone; Calophyllum pseudomole
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Supplementary materials

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    Supplementary (PDF, 654 KB)

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    Doi: doi:10.3390
    Link: http://www.mdpi.com
    Description: HRESIMS, 1H-NMR, 13C-NMR, HMQC, HMBC, UV and IR spectra are reported in the supplementary materials as Figure S1–S8

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MDPI and ACS Style

Tanjung, M.; Saputri, R.D.; Tjahjandarie, T.S. 5,9,11-Trihydroxy-2,2-dimethyl-10-(3′-methyl-2′-butenyl)-3-(2″-methyl-3″-butenyl)pyrano[2,3-a]xanthen-12(2H)-one from the Stem Bark of Calophyllum pseudomole. Molbank 2016, 2016, M906.

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