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Communication | Regular issue | Vol 3, No. 5, 1975, pp.379-380
Published online, 1st January, 1970
DOI: 10.3987/R-1975-05-0379
Reactions of Pyrylium Salts with Pyridinium and Sulphonium Ylides

Alan R. Katritzky,* S. Q. Abbas Rizvi, and Jerzy W. Suwinski

*School of Chemical Sciences, University of East Anglia, Norwich, Northfolk NR4 7TJ, U.K.

Abstract

Pyrylium salts with pyridinium acylylids give 1-arylpyridinium cations by a RORC mechanism, whereas sulphonium acylylids afford furans.