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SANGYO KAGAKU KENKYU KYOKAI
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SANGYO KAGAKU KENKYU KYOKAI
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Priority to JP2888376ApriorityCriticalpatent/JPS52111589A/ja
Publication of JPS52111589ApublicationCriticalpatent/JPS52111589A/ja
Publication of JPS6150954B2publicationCriticalpatent/JPS6150954B2/ja
One-pot process for preparation of 7beta-amino- and 7beta-acylamino- 3-substituted methyl-3-cephem-4-carboxylic acid derivatives and process for deoxygenation of 7beta-acylamino-3-cephem-4-carboxylic acid 1-oxide derivatives
Fremgangsmaade til fremstilling af 7-amino-3-alkoxymethyl-3-cephem-4-carboxylsyrer samt fremgangsmaade til fremstilling af et 7-acyleret cephalosporin-antibiotikum ved acylering af en saadan 7-amino-3-alkoxymethyl-3-cephem-4-carboxylsyre
5,10-dioxo-5,10-dihydrodiimidazo(1,5-a,1',5'-d)pyrazine-1,6-dicarboxylic acid and a process for producing imidazoledicarboxylic acid amido-derivatives
Dimethyl sulfoxide adducts of sodium 6-(d(-)-alpha-(4-hydroxy-1,5-naphthyridine-3-carboxamido)phenylacetamido)penicillanate or the derivative thereof bearing a hydroxyl group at the p-position of the phenyl group, methods for their preparation and decomposition, and their use as intermediates for purifying the crude penicillins