Chemical constituents of the stems of Ficus triangularis
Chemical investigation of the stems of Ficus triangularis afforded 3,5,4'-trihydroxy-6",6"- dimethylpyrano[2",3":7,6]flavanone (1), a mixture of α-amyrin fatty acid ester (2a), β-amyrin fatty acid ester (2b) and lupeol fatty acid ester (2c) in a 2:1:1 ratio, stigmast-4-en-3-...
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| Main Authors: | , , , |
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| Format: | text |
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Animo Repository
2014
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| Subjects: | |
| Online Access: | https://animorepository.dlsu.edu.ph/faculty_research/1194 |
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| Institution: | De La Salle University |
| Summary: | Chemical investigation of the stems of Ficus triangularis afforded 3,5,4'-trihydroxy-6",6"- dimethylpyrano[2",3":7,6]flavanone (1), a mixture of α-amyrin fatty acid ester (2a), β-amyrin fatty acid ester (2b) and lupeol fatty acid ester (2c) in a 2:1:1 ratio, stigmast-4-en-3-one (3), and a mixture of β-sitosterol (4a) and stigmasterol (4b) in a 1:2 ratio. The structure of 1 was elucidated by extensive 1D and 2D NMR spectroscopy, while those of 2a-4 were identified by comparison of their 1H and/or 13C NMR data with those reported in the literature. |
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