Aryloxypropanolaminotetralins, a process for their preparation and pharmaceutical compositions containing them

An aryloxypropanolaminotetralin compound of formula (i) and acid addition salts thereof ##STR18## wherein R is hydrogen, hydroxy or methoxy;

• and Ar represents naphthyl, tetralyl, indanyl, indenyl, phenyl or phenyl substituted by a group selected from the group consisting of halogen, cyano, hydroxy, amino, nitro, carboxyl, carbamoyl, trifluoromethyl, C.sub.1-10 alkyl, C.sub.2-10 alkenyl, C.sub.2-10 alkynyl, C.sub.3-8 cycloalkyl, C.sub.1-7 alkanoyl, C.sub.1-10 alkoxy, C.sub.2-10 hydroxyalkyl, C.sub.2-10 alkoxyalkyl, C.sub.3-10 alkoxyalkoxyalkyl, C.sub.2-10 alkoxyalkoxy, C.sub.2-10 alkenyloxy, C.sub.3-10 alkenyloxyalkyl, C.sub.2-10 alkynyloxy, C.sub.3-10 alkynyloxyalkyl, C.sub.3-8 cycloalkoxy, C.sub.1-10 alkylthio, C.sub.2-10 alkylthioalkyl, C.sub.1-7 acylamino, C.sub.2-8 acylaminoalkyl, C.sub.1-6 acyloxy, C.sub.2-5 alkoxycarbonyl, C.sub.4-8 cycloalkoxycarbonyl, and aminocarbonylamino.