Tetrahydronaphthalene derivatives as calcium antagonists

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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514220, 514221, 5142345, 514303, 514338, 514367, 514373, 514387, 514395, 514400, 540496, 540506, 540507, 544139, 546118, 546271, 548161, 548179, 548180, 548305, 548329, 548330, 548342, A61K 31415, C07D41306

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active

048086053

ABSTRACT:
Compounds of the formula ##STR1## wherein R is lower-alkyl, R.sup.1 is halogen, R.sup.2 is C.sub.1 -C.sub.12 -alkyl, R.sup.3 is hydroxy, lower-alkoxy, lower-alkyl-carbonyloxy, lower-alkoxy-lower-alkylcarbonoyloxy, lower-alkylaminocarbonyloxy, arylaminocarbonyloxy or aryl-lower alkylaminocarbonyloxy, X is C.sub.1 -C.sub.18 -alkylene which optionally can be interrupted by 1,4-phenylene or interrupted or lengthened by 1,4-cyclohexylene, A is di- or tri-substituted 2-imidazolyl attached via an ethylene group or a substituted or unsubstituted heterocycle selected from the group consisting of benzimidazolyl, benzimidazolonyl, imidazo[4,5-c]pyridinyl, imidazo[4,5-c]pyridinonyl, benzthiazolyl, benzodiazepine-2,5-dion-1-yl and pyrrolo[2,1-c]-[1,4]benzodiazepine-5,11-dion-10-yl and n is the number 0 or 1, in the form of racemates and optical antipodes, as well as N-oxides and pharmaceutically usable acid addition salts thereof. The compounds of formual I have a pronounced calcium-antagonistic and anti-arrhythmic activity and can accordingly be used as medicaments, especially for the control or prevention of angina pectoris, ischaemia, arrhythmias, high blood pressure and cardiac insufficiency.

REFERENCES:
patent: 3914216 (1975-10-01), Bauer et al.
patent: 4680310 (1987-07-01), Hengartner et al.
Chem. Abstracts 90(15):121465x (1979) (Furnefeld, E., et al., J. Org. Chem. 1979, 44(5), 835-839).

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