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Pyridazopyridazine derivatives, processes for their preparation and pharmaceutical compositions containing these pyridazopyridazine derivatives

Assignee: F Hoffmann La Roche AG
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Filing: 1980-09-10
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Granted: —
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Expires: 2000-09-10
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Abstract

Abstract Translated from German Pyridazopyridazin-Derivate der allgemeinen Formel <IMAGE> worin einer der Reste R und R¹ Wasserstoff oder niederes Alkyl und der andere einen Rest der Formel -(A)n-Y (i) bedeutet, wobei A eine gegebenenfalls durch niederes Alkyl substituierte Methylen, Aethylen oder Propylengruppe, Y Mercapto, niederes Alkanoylthio, Aroylthio oder Aryl- (niederes Alkylthio) und n die Zahl 0 oder 1 bedeuten, R² Hydroxy, niederes Alkoxy oder Amino, R³ Wasserstoff, niederes Alkyl oder Aryl und die gestrichelten Linien fakultative Bindungen bedeuten, und Salze von Carbonsäuren der allgemeinen Formel I mit pharmazeutisch annehmbaren Basen, ihre Herstellung, sowie Arzneimittel enthaltend obige Verbindungen werden beschrieben. Diese Verbindungen und ihre Sälze besitzen antihypertensive Eigenschaften. Pyridazopyridazine derivatives of the general formula <IMAGE> in which one of the radicals R and R¹ is hydrogen or lower alkyl and the other is a radical of the formula - (A) nY (i), where A is a methylene, ethylene or propylene group which is optionally substituted by lower alkyl , Y mercapto, lower alkanoylthio, aroylthio or aryl- (lower alkylthio) and n are the number 0 or 1, R² is hydroxy, lower alkoxy or amino, R³ is hydrogen, lower alkyl or aryl and the dashed lines are optional bonds, and salts of Carboxylic acids of the general formula I with pharmaceutically acceptable bases, their preparation and medicaments containing the above compounds are described. These compounds and their salts have antihypertensive properties.

Inventors

  • 👤 Cedric Herbert Hassal
  • 👤 Christopher John Moody

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 05:29
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; C07D237/00; C07D237/02; C07D237/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

AT322562B Cited
CH593284A5 Cited

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