Novel synthesis of the ocular age pigment A2-E: new method for substituted pyridine synthesis via azaelectrocyclization |
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| Authors: | Tanaka K Katsumura S |
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| Institution: | School of Science, Kwansei Gakuin University, Hyogo, Japan. |
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| 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. |
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