Nuclear bishydroxylation with peroxydisulfate | Zendy

Rao Koppaka V. | Zendy; Owoyale Jacob A. | Zendy

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Nuclear bishydroxylation with peroxydisulfate

Author(s) -

Rao Koppaka V.,

Owoyale Jacob A.

Publication year - 1976

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570130230

Subject(s) - peroxydisulfate , chemistry , yield (engineering) , derivative (finance) , methylation , medicinal chemistry , organic chemistry , catalysis , biochemistry , economics , financial economics , metallurgy , gene , materials science

Oxidation of 3,3′,4′,7‐tetra‐ O ‐methylquercelin by alkaline peroxydisulfate gave, in addition to the known 5,8‐dihydroxy derivative, a comparable yield of the 5,6,8‐trihydroxy compound. It was characterized by complete methylation and by conversion to the corresponding hydroxy and methoxy flavoquinones. Simultaneous introduction of two hydroxyls o ‐ and p ‐ to an existing hydroxyl function can be a potential step‐saver in the synthesis of polyphenolic substances.

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