Secondary metabolites from the male cone of cycas vespertilio
© 2015, International Journal of Pharmacognosy and Phytochemical Research. All Rights Reserved. Chemical investigation of Cycas vespertilio male cone led to the isolation of pinoresinol (1), lariciresinol (2), mixtures of α-amyrin acetate (3a) and lupeol acetate (3b) in a 2. 5:1 ratio and β-sitoster...
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| Main Authors: | , , , |
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| Format: | text |
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Animo Repository
2015
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| Online Access: | https://animorepository.dlsu.edu.ph/faculty_research/719 |
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| Institution: | De La Salle University |
| Summary: | © 2015, International Journal of Pharmacognosy and Phytochemical Research. All Rights Reserved. Chemical investigation of Cycas vespertilio male cone led to the isolation of pinoresinol (1), lariciresinol (2), mixtures of α-amyrin acetate (3a) and lupeol acetate (3b) in a 2. 5:1 ratio and β-sitosterol (4a) and stigmasterol (4b) in a 2:1 ratio, triglycerides (5), and fatty alcohols (6). The structures of 1 and 2 were elucidated by extensive 1D and 2D NMR spectroscopy, while those of 3a-6 were identified by comparison of their 1H and/or 13C NMR spectra with those reported in the literature. |
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