ES468581A1 - Method of production of cephalosporine therapeutic compounds (Machine-translation by Google Translate, not legally binding)
- Google Patents
Method of production of cephalosporine therapeutic compounds (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Priority claimed from JP2348376Aexternal-prioritypatent/JPS52106894A/en
Priority claimed from JP2348576Aexternal-prioritypatent/JPS52106895A/en
Application filed by Sumitomo Chemical Co LtdfiledCriticalSumitomo Chemical Co Ltd
Publication of ES468581A1publicationCriticalpatent/ES468581A1/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Nitrogen Condensed Heterocyclic Rings
(AREA)
Abstract
Production method of cephalosporin therapeutic compounds and, more particularly, to produce a compound of the formula (ia, c): ** (formula) ** in which a is a monocyclic or polycyclic heteroaromatic ring containing at least one carbon atom nitrogen as heteroatom which can be unsubstituted or substituted with one or more substituents; r is a phenyl group, which may be unsubstituted or substituted, or a thienyl group; u is het or d, het being a tetrazolopyridazine ring, a triazolopyridazine ring or a traizolopyridine ring. (Machine-translation by Google Translate, not legally binding)
ES468581A1976-03-031978-03-16Method of production of cephalosporine therapeutic compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES468581A1
(en)
A procedure for the preparation of new derivatives of 2-alkyl (bottom) -2 or 3-cefem-4-carboxylic acid. (Machine-translation by Google Translate, not legally binding)