Abstract: Alkanolamine derivatives of the formula ##STR1## wherein Ar is phenyl or napthyl which is unsubstituted or which bears one or two defined substituents, or Ar is certain defined heterocyclic or bicyclic aromatic systems;wherein R.sup.1 is halogen, cyano, trifluoromethyl or trifluoromethylthio;wherein either R.sup.2 and R.sup.3 each is hydrogen or alkyl, or R.sup.2 is hydrogen and R.sup.3 is cycloalkyl or cycloalkyl-alkyl, or R.sup.2 and R.sup.3 are joined to form, together with the adjacent nitrogen atom, a heterocyclic group;wherein either R.sup.4 is hydrogen and R.sup.5 is hydrogen or alkyl, or R.sup.4 is hydrogen and R.sup.5 and R.sup.6 are joined together to form alkylene, or R.sup.4, R.sup.5 and R.sup.6 are joined together to form alk-1-yl-.omega.-ylidene;wherein either R.sup.6 and R.sup.7 each is hydrogen or alkyl, or R.sup.6 is joined to R.sup.4 or to R.sup.4 and R.sup.5 as defined above and R.sup.7 is hydrogen or alkyl, or R.sup.6 and R.sup.7 are joined together to form alkylene, or one of R.sup.

Abstract: Novel alkanolamine derivatives of the formula: ##STR1## wherein Ar is phenyl or naphthyl which is unsubstituted or which bears one or two substituents selected from halogen, trifluoromethyl, hydroxy, amino, nitro, carbamoyl, carbamoylmethyl and cyano, and alkyl, alkenyl, alkoxy, alkenyloxy, alkylthio, alkanoyl and alkanoylamino each of up to 6 carbon atoms, or Ar is 4-indolyl, 4-benzo[b]thienyl, 5-benzo[1,4]dioxanyl, 4- or 5-indanyl, 5- or 6- 1,2,3,4-tetrahydronaphthyl), 2,3-dihydroxy-1,2,3,4-tetrahydronaphth-5-yl or 4- morpholino-1,2,5-thiadiazol-3-yl;wherein R is halogen;wherein A.sup.1 is alkylene of 2 to 6 carbon atoms; andwherein A.sup.2 is alkylene of 1 to 7 carbon atoms which in unsubstituted or bears a phenyl, hydroxy or carbamoyl substituent, or A.sup.2 is cycloalkylene of 3 to 6 carbon atoms;or acid-addition salts thereof.The compounds possess either .beta.-adrenergic blocking activity or diuretic activity or both such activities and may be used in the treatment of heart disease or hypertension.

Abstract: 1-Hydroxyphenoxy-3-ureidoethylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart failure. The compounds possess cardioselective .beta.-adrenergic stimulant activity. Representative of the compounds disclosed is 1-p-hydroxyphenoxy-3-.beta.-(morpholinocarbonamido)ethylamino-2-propanol.

Abstract: 1-Hydroxyphenoxy-3-ureidoethylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart failure. The compounds possess cardio-selective .beta.-adrenergic stimulant activity. Representative of the compounds disclosed is 1-p-hydroxyphenoxy-3-.beta.-(morpholinocarbonamido)ethylamino-2-propanol.