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Novel synthesis of the ocular age pigment A2-E: new method for substituted pyridine synthesis via
1School of Science, Kwansei Gakuin University, Hyogo, Japan.
Organic Letters
|May 18, 2000
Abstract:
[reaction: see text] The formal synthesis of the ocular age pigment A2-E was achieved by the efficient one-pot preparation of the substituted pyridine, which involves the aza-6pi-electrocyclization of the Schiff base derived from (E)-3-carbonyl-2,4,6-trienal followed by oxidation.