Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1981-08-12
1983-06-28
Daus, Donald G.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
544247, 544250, A61K 31505, C07D48704
Patent
active
043905404
ABSTRACT:
Imidazoquinazolines of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are hydrogen, halogen, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy or C.sub.2-5 -alkoxyalkyl; or two of R.sup.1, R.sup.2 and R.sup.3 on adjacent carbon atoms taken together are methylenedioxy or ethylenedioxy; and R.sup.4 and R.sup.5 are hydrogen or C.sub.1-4 -alkyl,
and their tautomers, as well as their physiologically compatible acid addition salts, are described.
The compounds of formula I inhibit the aggregation of the blood platelets, as well as gastric acid secretion, and have activity on the circulatory system.
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Chodnekar Madhukar S.
Kaiser Ado
Kienzle Frank
Daus Donald G.
Hoffmann-La Roche Inc.
Isgro William G.
Leon Bernard S.
Rivers Diana G.
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