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Coumarin glycoside from Cissus sicyoides
Flavio L Beltrame1, Antonio G Ferreira, Diógenes A G Cortez
1Universidade Estadual de Maringá, Departamento de Farmácia e Farmacologia, PR, Brazil.
Natural Product Letters
|August 10, 2002
Summary
Researchers identified a new coumarin glycoside from Cissus sicyoides aerial parts. The study also isolated known coumarins, flavonoids, and steroids, detailing their structures through spectral analysis.
Area of Science:
- Phytochemistry
- Natural Product Chemistry
- Pharmacognosy
Background:
- Cissus sicyoides is a plant species with potential medicinal properties.
- Phytochemical investigations aim to discover bioactive compounds from plant sources.
Purpose of the Study:
- To isolate and characterize chemical constituents from the aerial parts of Cissus sicyoides.
- To identify novel compounds and known phytochemicals for potential applications.
Main Methods:
- Extraction of compounds from the aerial parts of Cissus sicyoides.
- Structure elucidation using various spectral analyses (e.g., NMR, Mass Spectrometry).
- Isolation and purification techniques were employed.
Main Results:
- A new coumarin glycoside, 5,6,7,8-tetrahydroxycoumarin-5beta-xylopyranoside, was identified.
- Known compounds including coumarin sabandin, kaempferol 3-rhamnoside, quercetin 3-rhamnoside, sitosterol, and 3beta-O-beta-D-glucopyranosylsitosterol were isolated.
- The structures of all isolated compounds were confirmed through comprehensive spectral data.
Conclusions:
- The phytochemical analysis of Cissus sicyoides yielded a novel coumarin glycoside and several known compounds.
- These findings contribute to the understanding of Cissus sicyoides' chemical profile.
- Further research may explore the biological activities of these isolated compounds.