The metabolism of gallic acid and hexahydroxydiphenic acid in plants. Part 2. Esters of (S)-hexahydroxydiphenic acid with D-glucopyranose (4 C 1)

Abstract

One form of further metabolism of β-penta-O-galloyl-D-glucose in higher plants is that in which intramolecular oxidative coupling takes place between adjacent galloyl ester groups (2,3, and 4,6). This route of biosynthesis is confined to certain plants and details of the structure elucidation of some of the principal metabolites are recorded.