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Novartis AG
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JR Geigy AG
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Application filed by JR Geigy AGfiledCriticalJR Geigy AG
Priority to FR922605ApriorityCriticalpatent/FR1348701A/fr
Application grantedgrantedCritical
Publication of FR1348701ApublicationCriticalpatent/FR1348701A/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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Chemical & Material Sciences
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Organic Chemistry
(AREA)
FR922605A1963-01-251963-01-25Nouveaux dérivés de l'acide 6-amino-pénicillanique et leur préparation
ExpiredFR1348701A
(fr)