C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/242.01
C07D 487/04 (2006.01)
Patent
CA 1094555
RAN 4044/50 ABSTRACT "TRICYCLIC COMPOUNDS" This invention relates to imidazoquinazoline derivatives, namely compounds of the formula Image (I) wherein R1 and R2 each represent a hydrogen or halogen atom or a lower alkyl or a lower alkoxy group and R4 represents a lower alkyl, hydroxy-(lower alkyl), phenyl-(lower alkyl) or phenyl group, tautomers thereof and salts of such compounds and a process of manufacturing these compounds. These compounds and salts inhibit the aggregation of blood platelets and have positive inotropic activity without substantial tachycardia.
307767
Chodnekar Madhukar S.
Kaiser Ado
Gowling Lafleur Henderson Llp
Hoffmann-La Roche Limited
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