Benzimidazolesulfonamide derivatives and pharmaceutical composit

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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5142345, 514253, 544 62, 544370, 544139, A61K 3154, C07D41702

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active

056375867

ABSTRACT:
A benzimidazolesulfonamide derivative of the formula (I): ##STR1## wherein R.sup.1 is an alkyl group of 1 to 6 carbon atoms or a haloalkyl group of 1 to 6 carbon atoms; R.sup.2 is a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, a haloalkyl group of 1 to 6 carbon atoms, --OR.sup.4, --O(CH.sub.2).sub.m C.sub.6 H.sub.5, --(CH.sub.2).sub.n C.sub.6 H.sub.5, --NH.sub.2, --NHR.sup.5, --NHC (.dbd.O)R.sup.6, --N(R.sup.7).sub.2, --NHC(.dbd.O) (CH.sub.2).sub.p C.sub.6 H.sub.5, or --NHC(.dbd.O)CH(C.sub.6 H.sub.5).sub.2 ; R.sup.3 is an azole group, --COOH, --COOR.sup.8, or --SO.sub.3 H; A is --O--, --NH--, or --S(O).sub.q --; R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 are independently an alkyl group of to 6 carbon atoms; m, n, and p are independently 0 or an integer of 1 to 6; and q is 0, 1, or 2, or a salt thereof; and a pharmaceutical composition comprising the above compound are disclosed. The compound exhibits a stable and strong antagonism to angiotensin II.

REFERENCES:
patent: 4880804 (1989-11-01), Carini et al.
patent: 5137909 (1992-08-01), Chiu et al.
patent: 5336681 (1994-08-01), Imaki et al.
patent: 5399578 (1995-03-01), Buhlmayer et al.
Chemical Abstracts, The American Chemical Society, vol. 58, No. 4, Feb. 18, 1963, pp. 1963.
Carini et al., Nonpeptide Angiotensin II Receptor Antagonists, J. Med. Chem., 34, 2525-2547 1991.

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