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Iridoid glucosides from Thunbergia laurifolia
Tripetch Kanchanapoom1, Ryoji Kasai, Kazuo Yamasaki
1Department of Pharmaceutical Botany and Pharmacognosy, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 400002, Thailand.
Phytochemistry
|August 2, 2002
Abstract:
Two iridoid glucosides, 8-epi-grandifloric acid and 3'-O-beta-glucopyranosyl-stilbericoside, were isolated from the aerial part of Thunbergia laurifolia along with seven known compounds, benzyl beta-glucopyranoside, benzyl beta-(2'-O-beta-glucopyranosyl) glucopyranoside, grandifloric acid, (E)-2-hexenyl beta-glucopyranoside, hexanol beta-glucopyranoside, 6-C-glucopyranosylapigenin and 6,8-di-C-glucopyranosylapigenin. Structural elucidation was based on the analyses of spectroscopic data.