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LEO IND CHIM FARM SpA
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LEO IND CHIM FARM SpA
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Application filed by LEO IND CHIM FARM SpAfiledCriticalLEO IND CHIM FARM SpA
Priority to FR717637ApriorityCriticalpatent/FR1284506A/fr
Application grantedgrantedCritical
Publication of FR1284506ApublicationCriticalpatent/FR1284506A/fr
C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
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Organic Chemistry
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FR717637A1956-06-281956-06-28Procédé de préparation de sels de pénicilline et de dérivés sulfamidés
ExpiredFR1284506A
(fr)