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https://doi.org/10.1016/j.phytochem.2005.07.008
| Title: | Cycloartane type triterpenoids from the rhizomes of Polygonum bistorta | Authors: | Manoharan, K.P. Benny, T.K.H. Yang, D. |
Keywords: | β-Sitosterol β-Sitosterone 3β-Friedelinol Cycloartane triterpenoids Cycloartanone Friedelin Polygonum bistorta |
Issue Date: | Oct-2005 | Citation: | Manoharan, K.P., Benny, T.K.H., Yang, D. (2005-10). Cycloartane type triterpenoids from the rhizomes of Polygonum bistorta. Phytochemistry 66 (19) : 2304-2308. ScholarBank@NUS Repository. https://doi.org/10.1016/j.phytochem.2005.07.008 | Abstract: | Two new compounds, 24(E)-ethylidenecycloartanone (1) and 24(E)-ethylidenecycloartan-3α-ol (2) were isolated from the rhizomes of Polygonum bistorta, together with seven known compounds viz., cycloartane-3,24-dione (3), 24-methylenecycloartanone (4), γ-sitosterol (5), β-sitosterol (6), β-sitosterone (7), friedelin (8) and 3β-friedelinol (9). All the cycloartane type triterpenoids, compounds 7 and 8 are reported for the first time from this plant. A combination of 1D and 2D NMR spectroscopy and MS were mainly used to elucidate the structures of the new compounds 1 and 2. © 2005 Elsevier Ltd. All rights reserved. | Source Title: | Phytochemistry | URI: | http://scholarbank.nus.edu.sg/handle/10635/100393 | ISSN: | 00319422 | DOI: | 10.1016/j.phytochem.2005.07.008 |
| Appears in Collections: | Staff Publications |
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