New flavan and unusual chalcone glycosides from Drypetes parvifolia

Two new compounds 7-hydroxy-5- O-(β- d-glucopyranoside) flavan ( 1) and ( Z)-4′,6′-dihydroxy-2′- O-(β- d-glucopyranoside) chalcone ( 2), along with eight known compounds, were isolated from the stem bark of Drypetes parvifolia (Euphorbiaceae). Their structures were established on the basis of spectr...

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Bibliographic Details
Published in:Chinese chemical letters 2008-08, Vol.19 (8), p.943-946
Main Authors: Nenkep, Viviane Nadège, Shirri, Jovita Chi, Van-Dufat, Hanh Trinh, Sipepnou, Falindor, Vérité, Philippe, Seguin, Elisabeth, Tillequin, François, Wandji, Jean
Format: Article
Language:English
Subjects:
( Z)-4′,6′-Dihydroxy-2′- O-(β- d-glucopyranoside) chalcone
7-Hydroxy-5- O-(β- d-glucopyranoside) flavan
Drypetes parvifolia
Flavonoid glycosides
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Summary:Two new compounds 7-hydroxy-5- O-(β- d-glucopyranoside) flavan ( 1) and ( Z)-4′,6′-dihydroxy-2′- O-(β- d-glucopyranoside) chalcone ( 2), along with eight known compounds, were isolated from the stem bark of Drypetes parvifolia (Euphorbiaceae). Their structures were established on the basis of spectroscopic analysis and chemical evidence.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2008.04.048