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Beecham Group PLC
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Beecham Group PLC
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Priority claimed from GB17410/74Aexternal-prioritypatent/GB1508977A/en
Application filed by Beecham Group PLCfiledCriticalBeecham Group PLC
Publication of ES436766A1publicationCriticalpatent/ES436766A1/en
A process for the preparation of a clavulanic acid salt which is the compound of formula (I): ** (see formula) ** Whose method consists in contacting a clarified culture medium containing clavulanic acid or a salt thereof with a strong or weak base anion exchange resin is enough that the clavulanic acid or its salt is absorbed, elute a salt of clavulanic acid of the resin using an aqueous solution of an electrolyte, desalt the resulting solution and obtain the desired salt of clavulanic acid from the solution. (Machine-translation by Google Translate, not legally binding)
ES436766A1974-04-201975-04-18A procedure for the preparation of a clavulan acid salt. (Machine-translation by Google Translate, not legally binding)
ExpiredES436766A1
(en)
A procedure for the preparation of (3-trifluormethylphenoxy) - (4-chlorophenyl) acetate of 2-acetamidoetilo. (Machine-translation by Google Translate, not legally binding)
A procedure for preparing an acid 3-formyl-7-amino (replaced or substituted) -3-defem-4-carboxylic, its salts or the lactone hemiacetalica. (Machine-translation by Google Translate, not legally binding)