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Sandoz AG
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Sandoz AG
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Priority claimed from CH224563Aexternal-prioritypatent/CH420164A/en
Application filed by Sandoz AGfiledCriticalSandoz AG
Publication of ES296633A1publicationCriticalpatent/ES296633A1/en
C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
C07D495/04—Ortho-condensed systems
Abstract
Process for obtaining new heterocyclic compounds, especially 1-aza-thiaxanthene derivatives of general formula I. ** (See formula) ** wherein R 1 signifies a hydrogen or halogen atom, R 2 signifies a lower alkyl radical and X signifies 1 or 2, and their acid addition salts, characterized in that a 1-aza-thiaxanthene derivative of formula II is oxidized, ** (See formula) ** wherein R1 and R2 have the meanings indicated above and, when an acid addition salt is required, the resulting compound is reacted with an organic or inorganic acid. (Machine-translation by Google Translate, not legally binding)
ES296633A1963-02-221964-02-20Procedure for obtaining new heterocyclic compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES296633A1
(en)