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EP0024309A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Triazolopyridazine derivatives, process and intermediates for their preparation and medicaments containing them

Assignee: F Hoffmann La Roche AG
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Filing: 1980-07-22
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Granted: —
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Expires: 2000-07-22
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Abstract

Abstract Translated from German Neue Verbindungen der allgemeinen Formel worin A eine gegebenenfalls durch niederes Alkyl substituierte Methylen-, Aethylen- oder Propylen Gruppe bedeutet, R' Halogen, Carboxyl, niederes Alkoxycarbonyl, Aminocarbonyl, Hydroxyaminocarbonyl, Hydrazinocarbonyl, Mercapto, niederes Alkanoylthio oder Aryl-(niederes Alkylthio) und R 2 Hydroxy, niederes Alkoxy oder Amino bedeuten, und entweder R 3 und R 4 Wasserstoff oder Halogen bedeuten, oder R 3 Wasserstoff und R 4 Hydroxy bedeuten, R 5 Wasserstoff, niederes Alkyl, Aryl, Carboxy, niederes Alkoxycarbonyl oder Aminocarbonyl bedeutet und, wenn R 3 und R 4 beide Wasserstoff bedeuten, die gestrichelte Linie eine fakultative Kohlenstoff-Kohlenstoff-Bindung bedeutet, und Salze von Carbonsäuren der allgemeinen Formel I mit pharmazeutisch annehmbaren Basen, ihre Herstellung sowie pharmazeutische Präparate enthaltend Verbindungen der allgemeinen Formel I oder Salze davon werden beschrieben. Diese Verbindungen und Salze besitzen antihypertensive Wirkungen. New compounds of the general formula wherein A is a methylene, ethylene or propylene group which is optionally substituted by lower alkyl, R 'is halogen, carboxyl, lower alkoxycarbonyl, aminocarbonyl, hydroxyaminocarbonyl, hydrazinocarbonyl, mercapto, lower alkanoylthio or aryl (lower alkylthio) and R 2 hydroxy, lower Is alkoxy or amino, and either R 3 and R 4 are hydrogen or halogen, or R 3 is hydrogen and R 4 is hydroxy, R 5 is hydrogen, lower alkyl, aryl, carboxy, lower alkoxycarbonyl or aminocarbonyl and when R 3 and R 4 both mean hydrogen, the dashed line means an optional carbon-carbon bond, and salts of carboxylic acids of the general formula I with pharmaceutically acceptable bases, their preparation and pharmaceutical preparations containing compounds of the general formula I or salts thereof are described. These compounds and salts have antihypertensive effects.

Inventors

  • 👤 Cedric Herbert Hassall
  • 👤 Christopher John Moody

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 16:15
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/12

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