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Application filed by Erba FarmitaliafiledCriticalErba Farmitalia
Publication of BE880960ApublicationCriticalpatent/BE880960A/fr
C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
C07D257/04—Five-membered rings
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Cephalosporin Compounds
(AREA)
BE0/198824A1979-02-151979-12-28Derives insatures d'acides 7-acylamido-3-cepheme-4-carboxyliques et procede pour leur preparation
BE880960A
(fr)