PROCEDE DE CYCLISATION POUR L'OBTENTION DE NOYAUX DE CEPHEM ET NOUVEAUX PRODUITS AINSI OBTENUS, A ACTIVITE ANTIBACTERIENNE
PURPOSE:A process for preparing 3-substituted cephem compounds useful as a germicides by cyclizing azetidinone derivatives obtained from penicillins, with bases.
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Format: | Patent |
Sprache: | fre |
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Zusammenfassung: | PURPOSE:A process for preparing 3-substituted cephem compounds useful as a germicides by cyclizing azetidinone derivatives obtained from penicillins, with bases. |
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