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Beecham Group PLC
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Beecham Group PLC
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Application filed by Beecham Group PLCfiledCriticalBeecham Group PLC
Publication of ES320141A1publicationCriticalpatent/ES320141A1/en
A process for the preparation of penicillins of the general formula: ** (See formula) ** and non-toxic salts thereof, wherein R is an alkyl group containing 1 to 4 carbon atoms, characterized by combining the 6-aminopenicillanic acid or a salt thereof with an acid of the general formula: (see formula) (Machine-translation by Google Translate, not legally binding)
ES0320141A1964-12-031965-11-29A procedure for the preparation of penicillins. (Machine-translation by Google Translate, not legally binding)
ExpiredES320141A1
(en)