Terpenes and flavonoids from an Egyptian collection ofCleome droserifolia
| Autor: | Mohamed I. Abou-Shoer, Abdallah A. Omar, Maged S. Abdel-Kader, Hoda M. Fathy, Gilles H. Goetz |
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| Rok vydání: | 2010 |
| Předmět: |
Flavonoids
Cleome droserifolia Magnetic Resonance Spectroscopy Pinocembrin Terpenes Stereochemistry Organic Chemistry Plant Science Sesquiterpene Biochemistry Analytical Chemistry Terpene chemistry.chemical_compound chemistry Flavonoid derivatives Organic chemistry Cleome Triol Diterpenes Diterpene Sesquiterpenes |
| Zdroj: | Natural Product Research. 24:687-696 |
| ISSN: | 1478-6427 1478-6419 |
| DOI: | 10.1080/14786410903292433 |
| Popis: | Four new sesquiterpene derivatives have been isolated from the aerial parts of Cleome droserifolia. Their structures were established as 6-di(7-hydroxy, 1, 5-epoxy germacrane) (2), 4(15)-guaiane-6-ol (3), 7alpha-germacra-1(10), 4(15)-diene-5beta, 6alpha-diol (4) and 4,7,8-eudesma-triol (5). In addition, a new dolabellane diterpene derivative with the naturally rare peroxy function was identified as methyl ester of 2,18-O-diacetyl-16-O-(3-hydroxy-3-methylglutaryl)-7-hydroperoxydolabella-3,8(17)diene-2,16,18 triol (7). Two known flavonoid derivatives, pinocembrin (6) and quercetin-3-glucoside,7-rhamnoside (1) were isolated from the same source. Structures were established by spectroscopic data. |
| Databáze: | OpenAIRE |
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