A 3-(4-phenoxymethylpiperidino)-propyl-phenyl-ether of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently is hydrogen, lower alkyl, hydroxyalkyl, lower alkanoyloxyalkyl or --CO--Z,Z is hydroxy, lower alkyloxy or ##STR2## R.sub.6 and R.sub.7 each independently is hydrogen, lower alkyl or hydroxyalkyl,R.sub.3 is hydrogen or --O--R.sub.8,R.sub.8 is hydrogen, lower alkanoyl or aroyl optionally substituted by halogen, lower alkyl, lower alkoxy, alkoxycarbonyl, hydroxyl, alkylthio, nitrile, nitro or trifluoromethyl,R.sub.4 and R.sub.5 each independently is hydrogen, halogen, hydroxy, benzyloxy, lower alkyl, lower alkoxy, lower alkylthio, carboxy, benzyloxycarbonyl or lower alkoxycarbonyl,X and Y each independently is nitrogen or ##STR3## R.sub.9 is hydrogen, lower allkyl optionally substituted by --O--R.sub.8, or --CO--Z,or a pharmacologically acceptable salt thereof. The compounds lower blood pressure and inhibit adrenergic .beta.-receptors.