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

Research Japanese OPEN
Alam, Ashraful; 高口, 豊; 坪井, 貞夫;
(2005)
  • Publisher: 岡山大学環境理工学部
  • Journal: 岡山大学環境理工学部研究報告,volume 10,issue 1,pages111-117 (issn: 1341-9099)
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  • Subject: ellagic acid | 4,4'-di-Ο-alkylellagic acid | Ullmann coupling | oxidative coupling

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 lact... View more
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