Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Synthesis of 3-Carboxyceph-3-em Compounds and Reactions of Cephalosporin Thiolactones
TOHRU SUGAWARA, HIROTOMO MASUYA, TAISUKE MATSUO, TAKUICHI MIKI
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Keywords: Amberlite XAD-2
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1979 Volume 27 Issue 12 Pages 3095-3100

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Abstract
Starting from cephalosporin thiolactones (1), a sequence of reactions (bromination, hydrolysis, oxidation and opening of the dioxo thiophene ring) yielded 3-carboxyceph-3-ems (10). Several reactions of thiolactone derivatives are also described.
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© The Pharmaceutical Society of Japan
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