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Priority to AT452279ApriorityCriticalpatent/AT369745B/de
Publication of ATA452279ApublicationCriticalpatent/ATA452279A/de
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Publication of AT369745BpublicationCriticalpatent/AT369745B/de
C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
C07D501/02—Preparation
C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
C07D501/06—Acylation of 7-aminocephalosporanic acid
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Organic Chemistry
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Cephalosporin Compounds
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AT452279A1979-06-281979-06-28Verfahren zur herstellung von cephemverbindungen
AT369745B
(de)