Venuloxanthone, a new pyranoxanthone from the stem bark of Calophyllum venulosum
A new pyranoxanthone, venuloxanthone (1), was isolated from the stem bark of Calophyllum venulosum, together with three other xanthones, tovopyrifolin C (2), ananixanthone (3) and caloxanthone I (4), along with two common triterpenes, friedelin (5) and lupeol (6). The structures of these compounds w...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis
2015
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| Online Access: | http://psasir.upm.edu.my/id/eprint/46860/1/Venuloxanthone%2C%20a%20new%20pyranoxanthone%20from%20the%20stem%20bark%20of%20Calophyllum%20venulosum.pdf http://psasir.upm.edu.my/id/eprint/46860/ http://www.tandfonline.com/loi/ganp20 |
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| Institution: | Universiti Putra Malaysia |
| Language: | English |
| Summary: | A new pyranoxanthone, venuloxanthone (1), was isolated from the stem bark of Calophyllum venulosum, together with three other xanthones, tovopyrifolin C (2), ananixanthone (3) and caloxanthone I (4), along with two common triterpenes, friedelin (5) and lupeol (6). The structures of these compounds were identified using several spectroscopic analyses which are NMR, GCMS and FTIR experiments. |
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