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Communication | Regular issue | Vol 31, No. 8, 1990, pp.1423-1426
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5448
Rearrangement of Exomethylenecephams to Homocephams

John M. Morin, Jr.,* Douglas O Spry, Thomas K. Elzey, Michael D. Kinnick , Jonathan W. Paschal, and Nancy J. Snyder

*Lilly Reserach Laboratories, Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285-4813, U.S.A.


Exomethylenecephams rearrange by reaction with diazo compounds in the presence of cupric sulfate to generate the homocepham ring-system.