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Sandoz AG
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Sandoz AG
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Publication of ES328955A2publicationCriticalpatent/ES328955A2/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Abstract
Improvements introduced in the object of the main patent No. 315.409, granted on December 13, 1965, by: "Process for the production of phenothiazine derivatives", of formula I in which R means an N, N-dimethylsulphamoyl, N, N-dimethylcarbamoyl, methylsulfinyl or methylsulsonyl and R 'a lower alkyl radical, and their acid addition salts, characterized in that the phenothiazine derivatives of formula II, in which R has the meaning above, are reacted with diazaspiro [4]. , 5] decan-1,3-diones of formula III, in which R 'has the meaning of above and X means an acid residue capable of reaction, in the presence of an alkaline condensation medium and the compounds of formula I obtained, if appropriate, they are treated with an inorganic or organic acid. (Machine-translation by Google Translate, not legally binding)
ES0328955A1965-07-131966-07-11Procedure for the production of phenotyacin derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES328955A2
(en)
Procedure for the monohydration of the equimolecular complex formed by ascorbic acid and pyridoxine. (Machine-translation by Google Translate, not legally binding)
A procedure for preparing derivatives substituted in n 'of N- (trimetoxy-3,4,5) cinamoil-piperazine. (Machine-translation by Google Translate, not legally binding)
Procedure for preparation of compounds of basic derivatives with benzopyrilacetic acids. (Machine-translation by Google Translate, not legally binding)