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Communication | Regular issue | Vol 26, No. 5, 1987, pp.1193-1196
Published online, 1st January, 1970
DOI: 10.3987/R-1987-05-1193
A Synthesis of a Spirocyclopropane-1,1‘-carbapenem

Choung Un Kim, Peter F. Misco, and Bing Y. Luh

*Bristol-Myers Squibb Phramaceutical Research Institute, Wallingford, Connecticut 06492-7660, U.S.A.

Abstract

The total synthesis of the spirocyclopropanel, 1’- carbapenem 13 has been achieved through the Wittig cyclization of the phosphorane 11. A modified Simmons-Smith reaction on the olefinic ketone 6 gave the key cyclopropane derivative 7 in good yield.