Isoquinolinedione derivatives, pharmaceutical compositions and m

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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514309, 546 18, 546142, A61K 3147, C07D21724, C07D40112

Patent

active

048248355

ABSTRACT:
The present invention provides isoquinolinedione derivatives of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl, alkenyl or cycloalkyl radical which is optionally interrupted by a heteroatom or by a heteroatom substituted with an alkyl radical, R.sub.2 is a hydrogen atom or an alkyl or alkenyl radical, or together with R.sub.1, represents a cycloalkylene, alkylidene or cycloalkylidene radical which is optionally interrupted by a heteroatom or by a heteroatom substituted by an alkyl radical and R.sub.3 is a radical of the general formula: ##STR2## which can be in the 5- 6-, 7- or 8-position of the isoquinoline-1,3-dione and in which R.sub.4 and R.sub.5, which can be the same or different, are hydrogen atoms or alkyl, trihaloalkyl, cycloalkyl, cycloalkenyl, dealkylaminoalkyl, alkoxycarbonylalkyl, alkylcarbonyl, aryl or heterayl radicals and X is an oxygen or sulphur atom or a radical of the general formula .dbd.N--R.sub.6, in which R.sub.6 is a hydrogen atom, a cyano group of an alkyl radical; and the physiologically acceptable salts thereof.
The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them. These new compounds have a blood pressure lowering effect and/or influence thrombocyte aggregation, improve the microcirculation, and exert a positive intropic effect, thus having therapeutic and prophylactic effects.

REFERENCES:
patent: 3406175 (1968-10-01), Lesher
patent: 4021558 (1977-05-01), Kutter et al.

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