A new flavanocoumarin glucoside from the roots of Lannea kerstingii
Résumé
An undescribed phyllocoumarin-3-O-α-L-rhamnopyranoside 8 together with catechin 1, catechin-3-O-αL-rhamnopyranoside 2, catechin-[7,8-bc]-4β-(3,4-dihydroxyphenyl)-dihydro-2(3H)-pyranon 3, 5-O-trans-pcoumaroylquinic acid 4, trans-p-coumaric acid 5, catechin-[5,6-e]-4β-(3,4-dihydroxyphenyl)-dihydro-2(3H)-pyranon 6, catechin-[5,6-e]-4α-(3,4-dihydroxyphenyl)-dihydro-2(3H)- pyranon 7, phyllocoumarin 9 and vaccinin A 10 were isolated from the roots of Lannea kerstingii. The structures of the compounds were established using NMR, IR and HR-ESI-MS spectroscopic analysis.
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