岡山大学環境理工学部研究報告 ISSN 2187-6940
Published by Faculty of Environmental Science and Technology, Okayama University

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Synthesis of ellagic acid and its 4,4'-di-Ο-alky derivatives from gallic acid

Alam Ashraful
Tsuboi, Sadao
Abstract
Synthesis of ellagic acid and its 4,4'-di-Ο-alkyl derivatives from gallic acid is described. Ellagic acid is prepared by oxidative coupling of gallic acid with ο-chloranil. Functionalized methyl bormogallate underwent Ullmann coupling to give the biphenyl that upon lactonization resulted in the ellagic acid and its alkoxy derivatives.
Keywords
ellagic acid
4,4'-di-Ο-alkylellagic acid
Ullmann coupling
oxidative coupling
ISSN
1341-9099
NCID
AN10529213