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Communication | Regular issue | Vol 20, No. 11, 1983, pp.2181-2184
Published online, 1st January, 1970
DOI: 10.3987/R-1983-11-2181
A Formal Total Synthesis of (±)-Carpetimycin A (C-19393 H2): Stereoselective Synthesis of (±)-cis-4-Carboxymethyl-3-(1-methyl-1-trimethylsilyloxyethyl)-2-azetidinone via an Isoxazoline Derivative

Masataka Ihara, Fujiko Konno, Keiichiro Fukumoto, and Tetsuji Kametani

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


The synthetic intermediate, (±)-cis-4-carboxymethyl-3-(1-methyl-1-trimethylsilyloxyethyl)-2-azetidinone (10), of the carbapenem antibiotics, carpetimycin A, was stereoselectively prepared via an isoxazoline derivative (3).