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Communication | Regular issue | Vol 19, No. 6, 1982, pp.1023-1032
Published online, 1st January, 1970
DOI: 10.3987/R-1982-06-1023
Synthetic Studies on Carbapenem Antibiotics: A Carbon-introduced Reaction at the C-4 Position of a β-Lactam by Carbane Insertion Reaction

Tetsuji Kametani, Naoaki Kanaya, Tomoko Mochizuki, and Toshio Honda

*Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan

Abstract

The reaction of 4-thia-azetidinones with diazomalonates in the presence of a catalytic amount of rhodium (II) acetate afforded the carbon-introduced products at the C4-position of β-lactams.