A Simple and Efficient Synthesis of the γ-Lactam Analogue of β-Lactam Antibiotics. Ring-expansion of Penicillins to Homopenicillins

DOI: 10.1039/c39880000110

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Journal of the Chemical Society. Chemical communications p. 110 - 111 (1988)

Update date:2022-08-05

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Authors:

Maki, Yoshifumi

Sako, Magoichi

Kurahashi, Nobuyuki

Hirota, Kosaku

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Article abstract of DOI:10.1039/c39880000110

Irradiation of the β-ketosulphoxonium ylide (2), prepared easily from the benzylpenicillin methyl ester (1), with u.v. light results in the smooth formation of the corresponding homopenicillin methyl ester (3) which is hydrolysed to give benzylhomopenicil

Full text of DOI:10.1039/c39880000110

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