ES255904A1 - Procedure for the preparation of a derivative of phenotytein (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of a derivative of phenotytein (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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Merck KGaA
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E Merck AG
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Publication of ES255904A1publicationCriticalpatent/ES255904A1/en
Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Process for the preparation of a phenothiazine derivative, characterized in that 10- (N-beta-hydroxyethyl-piperazinyl-n "-propyl) -2-chloro-phenothiazine, or one of its salts, is oxidized with an appropriate oxidant, preferably with hydrogen peroxide, and because the 10- (N-beta-hydroxyethyl-piperazinyl-n "-propyl) -2-chloro-phenothiazine-5 oxide is isolated from the reaction mixture according to customary methods . (Machine-translation by Google Translate, not legally binding)
ES0255904A1959-02-251960-02-19Procedure for the preparation of a derivative of phenotytein (Machine-translation by Google Translate, not legally binding)
ExpiredES255904A1
(en)