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https://doi.org/10.1002/mrc.1954
| Title: | Triterpenoids from Eugenia grandis: Structure elucidation by NMR spectroscopy | Authors: | Manoharan, K.P. Fan, J.S. Benny, T.K.H. Yang, D. |
Keywords: | β-sitosterol 2D NMR 3β-friedelinol 13C NMR 1H NMR Eugenia grandis Friedelin Myrtaceae Triterpenoids |
Issue Date: | Mar-2007 | Citation: | Manoharan, K.P., Fan, J.S., Benny, T.K.H., Yang, D. (2007-03). Triterpenoids from Eugenia grandis: Structure elucidation by NMR spectroscopy. Magnetic Resonance in Chemistry 45 (3) : 279-281. ScholarBank@NUS Repository. https://doi.org/10.1002/mrc.1954 | Abstract: | A new pentacyclic triterpenoid, 2α,3β-dihydroxylup-12-en-28-oic acid (1) and a rarely encountered pentacyclic triterpenoid, 3β-hydroxylup- 12-en-28-oic acid (2), together with five known compounds, friedelin (3), 3β-friedelinol (4), betulinic acid (5), oleanolic acid (6) and β-sitosterol (7) were isolated from the chloroform extract of stem bark of Eugenia grandis (Syn: Syzygium grande). The structure and stereochemistry of the new compound (1) and the rarely encountered compound (2) were established by 1D and 2D NMR spectroscopic techniques. All the above isolated compounds from this plant are reported for the first time. Copyright © 2007 John Wiley & Sons, Ltd. | Source Title: | Magnetic Resonance in Chemistry | URI: | http://scholarbank.nus.edu.sg/handle/10635/102072 | ISSN: | 07491581 | DOI: | 10.1002/mrc.1954 |
| Appears in Collections: | Staff Publications |
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