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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 ES473269A1publicationCriticalpatent/ES473269A1/en
A process for preparing CEFEM compounds of the formula: ** (Formula) ** wherein R1 is amino or protected amino, R2 is hydrogen, halogen or hydroxy, R3 is carboxy or functionally modified carboxy, and A2 is substituted lower alcohol. with a group of the formula: NO-R4 in which R4 is hydrogen, lower alcohol, lower alkenyl, lower alkynyl or cycloalkyl, or its pharmaceutically acceptable non-toxic salt. (Machine-translation by Google Translate, not legally binding)
ES473269A1977-10-111978-09-12A procedure for preparing a compound of cefem (Machine-translation by Google Translate, not legally binding)
ExpiredES473269A1
(en)
A procedure for the preparation of an aminoverninomycin b, c or d substituted in n o n substituted in n (Machine-translation by Google Translate, not legally binding)