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Communication | Regular issue | Vol 2, No. 5, 1974, pp.595-599
Published online, 1st January, 1970
DOI: 10.3987/R-1974-05-0595
Ratio of Seven- to Six-membered Ring Sulfones in the Cyclization of a Sulfonyl Carbene

Rudolph A. Abramovitch* and Vazken Alexanian

*Department of Chemistry, University of Alabama, Box 870336, University Tuscaloosa, Alabama 35478-0336, U. S. A.


The ratio of 7- to 6-membered ring intramolecular cyclization product increases with decreasing solvent polarity in the (C6F5Cu)4 catalyzed decomposition of 1 and with increasing temperature in the uncatalyzed decompositions. Possible explanations are discussed.