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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of ES263121A1publicationCriticalpatent/ES263121A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Nitrogen Condensed Heterocyclic Rings
(AREA)
Abstract
Un procedimiento para la fabricación de derivados de 1,4-benzodiazepina, que comprende el tratar un derivado de quinazolina de la fórmula general **(Fórmula)** en la que X representa halógeno, R1 representa hidrógeno o alkilo, R2 representa hidrógeno, alkilo, alcoxi, trifluorometilo o halógeno, mientras el núcleo designado por I está insubstiuido, monosubstituido con trifluorometilo o mono- o disubstituido con alkilo, alcoxi, alkiltio, hidroxialkiltio, halógeno, nitro, amino, alkilsulfinilo, alkilsulfonilo, hidroxi o acilamino.
ES0263121A1959-12-101960-12-09Un procedimiento para la fabricaciën de derivados de 1,4-benzodiazepinas
ExpiredES263121A1
(es)