Triazolo[1,5-c]pyrimido[1,4]azines as bronchodilators

Details Triazolo[1,5-c]pyrimido[1,4]azines as bronchodilators Triazolo[1,5-c]pyrimido[1,4]azines as bronchodilators

1989-01-17

1991-01-01

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

5142292, 544 34, 544 48, 544101, 544105, C07D51304

Patent

active

049818503

ABSTRACT:
Substituted 1,2,4-triazolo[1,5-c]pyrimido[1,4]-azines have been found to have potent bronchodilator activity. Also, pharmacological methods for inducing bronchodilation using such compounds, pharmaceutical compositions containing such compounds, and synthetic intermediates, including 1,2,4-triazolo[4,3-c]-pyrimido[1,4]azines, for preparing such compounds.

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