ES294363A1 - Procedure for the manufacture of radiological contrast media (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the manufacture of radiological contrast media (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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Bayer Pharma AG
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Schering AG
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Application filed by Schering AGfiledCriticalSchering AG
Publication of ES294363A1publicationCriticalpatent/ES294363A1/en
Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents
(AREA)
Abstract
Method for the production of radiological contrast media, characterized in that starting from compounds of the general formula ** (See formula) ** wherein R means a lower alkyl radical, X a hydrogen atom or the remainder of an inorganic or organic base, 3-nitro-N-alkylaniline is reacted with succinic acid anhydride, the nitro group is reduced and finally it is iodinated in the nucleus, or the mono-3-aminoanilide of succinic acid is iodinated in the nucleus and then it is alkylated in the N1. (Machine-translation by Google Translate, not legally binding)
ES0294363A1962-12-221963-12-10Procedure for the manufacture of radiological contrast media (Machine-translation by Google Translate, not legally binding)
ExpiredES294363A1
(en)
Procedure for the manufacture of 1 - aril-2,3,4,5 - tetrahydro - 1H - 1,5 benzodiacepin 2 ones. (Machine-translation by Google Translate, not legally binding)