Heteroaryloxy propanolamines, preparation method and pharmaceutical compositions containing same

   
   

Compounds of formula (I): ##STR1## where X is N or CH; A represents a group of formula (a) or (b) ##STR2## R.sub.1 represents hydrogen or an --NH.sub.2, --NR.sub.3 R.sub.4, --NR.sub.3 CO(C.sub.1 -C.sub.4)Alk or --NR.sub.3 SO.sub.2 (C.sub.1 -C.sub.4)Alk group; R.sub.2 represents hydrogen, a halogen or a (C.sub.1 -C.sub.4)Alk, (C.sub.1 -C.sub.4)alkoxy, --COOH, --COO(C.sub.1 -C.sub.4)Alk, --CN, --CONR.sub.3 R.sub.4, --NO.sub.2, --SO.sub.2 NR.sub.3 R.sub.4 or --NHSO.sub.2 (C.sub.1 -C.sub.4)Alk; m and n each represent 0, 1 or 2; R.sub.3 and R.sub.4 each represent hydrogen or a (C.sub.1 -C.sub.4)Alk group; Y.sub.1 and Y.sub.2 each represent NH or O; and their salts or solvates, a process for their preparation and the pharmaceutical compositions comprising them.

Compostos da fórmula (i): ## do ## STR1 onde X é N ou CH; A representa um grupo da fórmula (a) ou (b) o ## R.sub.1 do ## STR2 representa o hidrogênio ou -- NH.sub.2, -- um NR.sub.3 R.sub.4, -- NR.sub.3 CO(C.sub.1 - C.sub.4)Alk ou -- NR.sub.3 SO.sub.2 (C.sub.1 - grupo de C.sub.4)Alk; R.sub.2 representa o hidrogênio, um halogênio ou a (C.sub.1 - C.sub.4)Alk, (C.sub.1 - C.sub.4)alkoxy, -- cooh, -- COO(C.sub.1 - C.sub.4)Alk, --CN, -- CONR.sub.3 R.sub.4, -- NO.sub.2, -- SO.sub.2 NR.sub.3 R.sub.4 ou -- NHSO.sub.2 (C.sub.1 - C.sub.4)Alk; m e n cada um representam 0, 1 ou 2; R.sub.3 e R.sub.4 cada um representam o hidrogênio ou o a (C.sub.1 - grupo de C.sub.4)Alk; Y.sub.1 e Y.sub.2 cada um representam o NH ou o O; e seus sais ou solvates, um processo para sua preparação e as composições pharmaceutical que compreendem os.

 
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