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Sandoz AG
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Sandoz AG
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Priority claimed from CH1444962Aexternal-prioritypatent/CH421104A/en
Application filed by Sandoz AGfiledCriticalSandoz AG
Publication of ES294219A1publicationCriticalpatent/ES294219A1/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Process for the production of thiaxanthene derivatives of general formula I ** (See formula) ** wherein R1 simplifies an alkyl radical containing from 1 to 4 carbon atoms inclusive, R2 means a hydrogen atom, a halogen atom or an alkoxy radical containing 1 to 4 carbon atoms inclusive, and x means 1 or 2, and its acid addition salts, characterized in that it comprises oxidizing a thiaxanthene derivative of formula II, ** (See formula) ** wherein R1 and R2 have the meanings indicated above and when an acid addition salt is required, it is salified with an organic or inorganic acid. (Machine-translation by Google Translate, not legally binding)
ES0294219A1962-12-071963-12-06Procedure for the production of tiaxantene derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES294219A1
(en)