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Sandoz AG
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Sandoz AG
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Publication of ES302286A1publicationCriticalpatent/ES302286A1/en
C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
C07D513/04—Ortho-condensed systems
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Chemical & Material Sciences
(AREA)
Organic Chemistry
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Process for the production of heterocyclic compounds, of general formula I, ** (See formula) ** wherein R1 signifies a hydrogen atom, a lower alkyl radical containing from 1 to 4 carbon atoms inclusive, a cycloalkyl radical, an aryl or aralkyl radical, R2 means an alkyl radical containing from 1 to 4 carbon atoms inclusive, cycloalkyl radical, an aryl or aralkyl radical, X means an oxygen or sulfur atom and n means an integer from 2 to 5 inclusive, characterized in that the benzyl radical of a compound of general formula II is reductively dissociated, ** (See formula) ** wherein R1, R2, X and n have the meanings indicated above. (Machine-translation by Google Translate, not legally binding)
ES302286A1963-07-231964-07-21Procedure for the production of heterocyclic compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES302286A1
(en)
Procedure for obtaining new compounds 2.3-dihydro of the series of the lysergic and dihydrolyseric acids (Machine-translation by Google Translate, not legally binding)