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Distillers Co Biochemicals Ltd
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Distillers Co Biochemicals Ltd
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Application filed by Distillers Co Biochemicals LtdfiledCriticalDistillers Co Biochemicals Ltd
Application grantedgrantedCritical
Publication of FR65246EpublicationCriticalpatent/FR65246E/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
C07D499/04—Preparation
C07D499/18—Separation; Purification
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR65246D1952-10-141952-10-14Perfectionnements à la purification des sels de pénicilline
ExpiredFR65246E
(fr)