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Beecham Research Laboratories Ltd
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Beecham Research Laboratories Ltd
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Priority to FR851893ApriorityCriticalpatent/FR79184E/fr
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Publication of FR79184EpublicationCriticalpatent/FR79184E/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
C07D499/21—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 with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
C07D499/42—Compounds with a free primary amino radical attached in position 6
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Chemical & Material Sciences
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Organic Chemistry
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FR851893A1961-02-071961-02-07Procédé de préparation d'acide 6-aminopénicillanique et de ses dérivés
ExpiredFR79184E
(fr)