A simple synthesis of 3-deoxyanthocyanidins and their O-glucosides
作者:Sheiraz Al Bittar、Nathalie Mora、Michèle Loonis、Olivier Dangles
DOI:10.1016/j.tet.2016.05.076
日期:2016.7
This work deals with the chemical synthesis of simple analogs of anthocyanins, the main class of water-soluble natural pigments. Flavylium ions with hydroxyl, methoxyl and β-d-glucopyranosyloxyl substituents at positions 4′ and 7 have been prepared by straightforward chemical procedures. Moreover, the two 3-deoxyanthocyanidins of red sorghum apigeninidin (4′,5,7-trihydroxyflavylium) and luteolinidin