Phenolic glycosides from Magnolia figo

Publication date: Available online 15 November 2019Source: Phytochemistry LettersAuthor(s): Chutima Srinroch, Poolsak Sahakitpichan, Nitirat Chimnoi, Somsak Ruchirawat, Tripetch KanchanapoomAbstractThree new phenolic glycosides were isolated from the leaves and twigs of Magnolia figo, and identitified to be 3,4-dihydroxy-β-phenylethoxyl-O-[β-D-glucopyranosyl-(1"→2')-α-L-rhamnopyranosyl-(1'"→3')-(4'-O-trans-caffeoyl)-β-D-glucopyranosyl-(1'""→6')]-β-D-glucopyranoside (champikhaekoside, 8), 4-hydroxybenzyl O-β-D-apiofuranosyl-(1"→2')-[β-D-glucopyranosyl-(1'"→3')]-β-D-glucopyranoside (17) and (+)-(7S,8S)-guaiacylglycerol 8-(6'-O-vanilloyl)-O-β-D-glucopyranoside (26). Additionally, 41 known compounds were identified. The structure elucidation of these compounds was based on analyses of physical and spectroscopic data including 1D and 2D NMR experiments.Graphical abstract

Source: Phytochemistry Letters - November 15, 2019 Category: Chemistry Source Type: research