Английская Википедия:Dehydrohexahydroxydiphenic acid

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Шаблон:Chembox Dehydrohexahydroxydiphenic acid is a group found in dehydroellagitannins. It is formed from hexahydroxydiphenic acid (HHDP) through oxidation of the plant hydrolysable tannins.[1] It is found in ellagitannins such as euphorbin A, geraniin or mallotusinic acid.

In geraniin, it is forming an equilibrium mixture of six-membered hemi-ketal and five-membered hemi-ketal forms.Шаблон:Citation needed

References

Шаблон:Reflist

Шаблон:Ellagitannin

Шаблон:Aromatic-stub

  1. Correlation of oxidative transformations of hydrolyzable tannins and plant evolution. Takashi Yoshida and Tsutomu Hatano, Phytochemistry, November 2000, Volume 55, Issue 6, Pages 513–529, Шаблон:Doi