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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
Molbank 2016, 2016(3), M906; https://doi.org/10.3390/M906
Received: 7 July 2016 / Revised: 9 August 2016 / Accepted: 15 August 2016 / Published: 22 August 2016
(This article belongs to the Section Natural Products)
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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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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  • Supplementary File 1:

    Supplementary (PDF, 654 KB)

  • Externally hosted supplementary file 1
    Doi: doi:10.3390
    Link: https://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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