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Fujisawa Pharmaceutical Co Ltd
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Fujisawa Pharmaceutical Co Ltd
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Application filed by Fujisawa Pharmaceutical Co LtdfiledCriticalFujisawa Pharmaceutical Co Ltd
Publication of ES475573A1publicationCriticalpatent/ES475573A1/en
A process for preparing new (unreadable) compounds of the formula ** (Formula) ** in which R2 is hydrogen or an aliphatic hydrocarbon moiety which may be substituted with halogen, carboxy or ester carboxy, R3 is hydrogen or lower alcohol, R4 is hydrogen, lower alcohol or a group of the formula: -0-R7 where R7 is lower alcohol, R5 is carboxy or functionally modified carboxy, and R6 is amino or protected amino. (Machine-translation by Google Translate, not legally binding)
ES475573A1977-07-121978-11-30A procedure to prepare new compounds of cefem (Machine-translation by Google Translate, not legally binding)
ExpiredES475573A1
(en)