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A Lewis Acid-Catalyzed Formal [3 + 3] Cycloaddition of α,β-Unsaturated Aldehydes with 4-Hydroxy-2-Pyrone, Diketones, and Vinylogous Esters

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journal contribution
posted on 19.01.2006, 00:00 by Aleksey V. Kurdyumov, Nan Lin, Richard P. Hsung, Glen C. Gullickson, Kevin P. Cole, Nadiya Sydorenko, Jacob J. Swidorski
A Lewis acid-catalyzed formal cycloaddition of α,β-unsaturated aldehydes with 6-methyl-4-hydroxy-2-pyrone, 1,3-diketones, and vinylogous silyl esters is described here.