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Sandoz AG
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Sandoz AG
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Publication of ES347364A1publicationCriticalpatent/ES347364A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Plural Heterocyclic Compounds
(AREA)
Abstract
Procedure for preparing quinazolinones, of general formula I, **(See formula)** where R signifies a hydrogen or halogen atom, R1 signifies a hydrogen atom, an alkyl radical containing 1 to 5 carbon atoms, an allyl radical or a propargyl radical, and R2 signifies the radical (see formula) in which Y means a hydrogen atom or an alkyl radical containing from 1 to 4 carbon atoms, characterized in that a compound of general formula VII is reacted, **(See formula)** wherein R, R1 and R2 have the meanings indicated above, with a C1-C5 lower alkyl carbamate in the presence of a catalytic amount of a Lewis acid. (Machine-translation by Google Translate, not legally binding)
ES347364A1966-11-211967-11-20Procedure for preparing quinazolines. (Machine-translation by Google Translate, not legally binding)
ExpiredES347364A1
(en)
Procedure for the preparation of new compounds of 1,4-benzodioxane and 1,5-benzodioxane and of 1,5-benzodioxepane (Machine-translation by Google Translate, not legally binding)