Ngadjui, B. T., Ayafor, J. F., Sondengam, B. L., Connolly, J. D., Rycroft, D. S. and Tillequin, F. (1993) Oppositin and 5-O-methylhoslundin, pyrone-substituted flavonoids of Hoslundia opposita. Phytochemistry, 32(5), pp. 1313-1315. (doi: 10.1016/S0031-9422(00)95112-4)
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Abstract
The methanolic extract of the twigs of Hoslundia opposita afforded two new pyrone-substituted flavonoids oppositin and 5-O-methylhoslundin, in addition to the known flavonoids tectochrysin, hoslunddiol and hoslundin. Oppositin has its 6-C-pyrone substituent attached via a 6,6″-link in contrast to the 6,5″-link in hoslundin and is a likely biogenetic precursor of hoslundin.
| Item Type: | Articles |
|---|---|
| Keywords: | 6-C-pyrone-substituted 5,7-dimethoxyflavones, secondary metabolites, natural product chemistry. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Connolly, Professor Joseph and Rycroft, Dr David |
| Authors: | Ngadjui, B. T., Ayafor, J. F., Sondengam, B. L., Connolly, J. D., Rycroft, D. S., and Tillequin, F. |
| Subjects: | Q Science > QD Chemistry |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Phytochemistry |
| Publisher: | Pergamon Press Ltd |
| ISSN: | 0031-9422 |
| ISSN (Online): | 1873-3700 |
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