Heterocyclic compounds as pharmaceutical

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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514260, 544292, 544331, 544332, A61K 31505, C07D23942

Patent

active

058694951

ABSTRACT:
A compound of Formula (I) ##STR1## or a tautomeric form thereof and/or a pharmaceutically acceptable salt thereof, and/or a pharmaceutically acceptable solvate thereof, wherein
A.sup.1, A.sup.2, A.sup.3, R.sup.2, X, Y and n are as defined herein; a pharmaceutical composition comprising such a compound and the use of such a compound or composition in medicine.

REFERENCES:
patent: 5002953 (1991-03-01), Hindley
patent: 5089514 (1992-02-01), Hulin
patent: 5194443 (1993-03-01), Hindley
patent: 5232925 (1993-08-01), Hindley
Itoh et al., J. Org. Chem., vol. 56, pp. 797-804 (1991).
March, Advanced Organic Chemistry, John Wiley & Sons, pp. 334-336 (1985).

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