OLINIOSIDE, 5-(4'-O-β-D-GLUCOPYRANOSYL)-CAFFEOYLOXY-5,6-DIHYDRO-4-METHYL-(2H)-PYRAN-2-ONE FROM OLINIA USAMBARENSIS

Article abstract of DOI:10.1016/0031-9422(93)85118-B

From an extract of root bark of Olinia usambelensis, which showed antifeedant activity, 5-(4'-O-β-D-glucopyranosyl)-caffeoyloxy-5,6-dihydro-4-methyl-(2H)-pyran-2-one, named olinioside, caffeic acid, and 4-O-β-D-glucopyranosylcaffeic acid were isolated.The structure of olinioside was assigned by chemical and spectroscopic methods.