Intramolecular cyclization of bis-α-diazoketones: A new synthesis of γ-tropolone |
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| Authors: | J Font J Valls F Serratosa |
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| Institution: | Instituto de Química Orgánica, Patronato “Juan de la Cierva”, (C.S.I.C.), Barcelona-17, Spain |
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| Abstract: | Catalytic decomposition of bis-α-diazoketones (3, n = 3), in inert solvents, under high dilution affords cycloalk-2-ene-1,4-diones (4, n = 3). The method has been applied to a new synthesis of γ-tropolone 5 in five steps from glutaconic acid 6. |
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