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Communication | Special issue | Vol 13, No. 1, 1979, pp.227-234
Published online, 1st January, 1970
DOI: 10.3987/S-1979-01-0227
Reactions of β, β, β-Trichloroethyl 6-Diazopenicillanate with Aldehydes and Schiff Bases

John C. Sheehan,* Kiichiro Nakajima, and Elsie Chacko

*Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, U.S.A.


New 6-substituted penicillins (mainly 6-spiro derivatives) and several non-β-lactam compounds have been prepared by treating aldehydes and Schiff bases with β,β,β-trichloroethyl 6-diazopenicillanate. Identity and stability of the products depend mainly on the nature of the aldehyde components of the starting materials.