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Synlett 1999; 1999(12): 1925-1926
DOI: 10.1055/s-1999-2970
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Cycloaddition Reactions of Iodonium Ylides of Cyclic β-Diketones with 1,3-Dienes: Evidence for a Stepwise Mechanism

Ioannis Alexiou* , Efstathios P. Gogonas, Lazaros P. Hadjiarapoglou
  • *Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, GREECE; Fax + 30-6 51-4 58 40; E-mail: lxatziar@cc.uoi.gr and lxatziar@hotmail.com
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Publication Date:
31 December 1999 (online)

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The irradiation of a cyclic β-dicarbonyl iodonium ylide with 1,3-diene in acetonitrile gives substituted dihydrofurans in moderate to high yields, presumably via a stepwise mechanism.

hypervalent iodine - 1,3-cycloaddition - ylide - 1,3-diene - dihydrofuran