Sc. Roy et Pk. Mandal, SYNTHESIS OF FUSED ACETALS BY CERIC AMMONIUM-NITRATE MEDIATED CYCLOADDITION OF 1,3-DICARBONYL COMPOUNDS TO CYCLIC ENOL ETHERS, Tetrahedron, 52(38), 1996, pp. 12495-12498
Treatment of beta-diketones and beta-ketoesters with eerie ammonium ni
trate and sodium hydrogen carbonate in acetonitrile leads to the forma
tion of intermediates which add efficiently to cyclic enol ethers to f
urnish fused acetals in good yields. Copyright (C) 1996 Elsevier Scien
ce Ltd