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Beecham Group PLC
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Beecham Group PLC
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Publication of ES452859A1publicationCriticalpatent/ES452859A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
A process for the preparation of a penicillin of formula (I) or a pharmaceutically acceptable non-toxic hydrolysable salt or ester thereof in vivo: ** (formula) ** where r represents a furyl, thienyl, cycloalkyl group, cycloalkenyl or phenyl or a phenyl group substituted with hydroxy, halogen, nitro, lower alkyl, lower alkoxy, amino or carboxy; and a and b are the same or different and each of them represents the remainder of a 5 or 6 member ring fused. (Machine-translation by Google Translate, not legally binding)
ES452859A1975-10-311976-10-29A procedure for the preparation of a penicillin. (Machine-translation by Google Translate, not legally binding)
ExpiredES452859A1
(en)
Procedure for the preparation of N- (r-tetrahydrofurfuril) -noroximorphone and N- (s-tetrahydrofurfuril) -noroximorphone new. (Machine-translation by Google Translate, not legally binding)