Chemical investigation of ceylonese plants. Part XII. (+)-3,4′,5,7-Tetrahydroxy-3′-methoxyflavanone [(+)-dihydroisorhamnetin] and 3,5,7-trihydroxy-3′,4′-dimethoxyflavone (dillenetin): two new natural products from Dillenia indica L.
Abstract
The title compounds [(I) and (III)] have been obtained from the bark and pericarp of Dillenia indica L., respectively.