Diuretic and vasodilating tricyclic quinazolines

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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544250, A61K 31505, C07D48714

Patent

active

042281679

ABSTRACT:
Novel imidazo[2,1-b]quinazolines and pyrimido-[2,1-b]quinozolines represented by the formula, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and A are as defined in the specification were prepared. They have prominent pharmacological properties such as diuretic and vasodilating activity.

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Zderic, et al., Chemical Abstracts, vol. 55, 8472e (1960).
Migrdichian, Organic Synthesis, vol. 1, p. 580, Reinhold Publishing Corp., New York (1957).
Fuson, Reactions of Organic Compounds, John Wiley & Sons, New York, pp. 648-652 (1964).

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