期刊
HETEROCYCLES
卷 78, 期 10, 页码 2541-2548出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-09-11754
关键词
Flavonol Glycoside; Gaura longiflora; Quercetin; Kaempferol
资金
- NIH
- NIAID
- Division of AIDS [AI 027094]
- USDA Agricultural Research Service Specific Cooperative [58-6408-2-0009]
- China Scholarship Council
Phytochemical investigation of the native American plant Gaura longiflora led to the isolation of three new and eight known flavonol glycosides. The structures of the new compounds were established primarily by spectroscopic data as quercetin 3-O-(2 ''-O-alpha-L-rhamnopyranosyl-6 ''-O-E-p-coumaryl)-beta-D-glucopyranoside (1), kaempferol 3-O-(2 ''-O-alpha-L-rhamnopyranosyl-6 ''-O-E-p-coumaryl)-beta-D-glucopyranoside (2) and quercetin 3-O-(2 '-O-alpha-L-rhamnopyranosyl-6 ''-O-E-p-coumaryl)-beta-D-glucopyranoside (3).
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