NEW INDOLYLPROPANOLS, PROCESSES FOR THEIR PREPARATION AND THEIR USE, AND PREPARATIONS CONTAINING THE COMPOUNDS

Substituted indolylpropanols of the formula I (I) in which R1 denotes a cyano, carboxamido, alkoxycarbonyl, hydroxyl or acetyl group, Y stands for the group A (A) wherein n is the number 2 or 3, or the group B, (B) R2 stands for R2' where Y denotes the group A and for R2'' when Y denotes the group B, where R2' denotes pyridinyl, thienyl or substituted phenyl which is monosubstituted or disubstituted by difluoromethoxy, difluoromethylthio, trifluoromethoxy, trifluoromethylthio, trifluoroethoxy, alkoxyalkoxy, cycloalkylalkoxy, alkoxyalkyl, alkylthioalkoxy, alkylsulphinylalkoxy, alkylsulphonylalkoxy, alkoxyalkylthio, alkoxyalkylsulphinyl, alkoxyalkylsulphonyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl and dialkylaminoalkoxy, and R2'' denotes pyridinyl, thienyl, phenyl or substituted phenyl which is monosubstituted or disubstituted by halogen, alkyl, cycloalkyl, alkoxy, difluoromethoxy, difluoromethylthio, trifluoromethoxy, trifluoromethylthio, trifluoroethoxy, alkoxyalkoxy, cycloalkylalkoxy, alkoxyalkyl, alkylthioalkoxy, alkylsulphinylalkoxy, alkylsulphonylalkoxy, alkoxyalkylthio, alkoxyalkylsulphinyl, alkoxyalkylsulphonyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl and dialkylaminoalkoxy, and R3 stands for R3' when Y denotes the group A and for R3'' when R denotes the group B, where R3' denotes hydrogen, difluoromethoxy, difluoromethylthio, trifluoromethoxy, trifluoromethylthio, trifluoroethoxy, alkoxylalkoxy, alkoxyalkyl, alkylthioalkoxy, alkylsulphinylalkoxy, alkylsulphonylalkoxy, alkoxyalkylthio, alkoxyalkylsulphinyl, alkoxyalkylsulphonyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl or dialkylaminoalkoxy, and R3'' denotes hydrogen, alkoxy, halogen, difluoromethoxy, difluoromethylthio, trifluoromethoxy, trifluoromethylthio, trifluoroethoxy, alkoxyalkoxy, alkoxyalkyl, alkylthioalkoxy, alkylsulphinylalkoxy, alkylsulphonylalkoxy, alkoxyalkylthio, alkoxyalkylsulphinyl, alkoxyalkylsulphonyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl or dialkylaminoalkoxy, or a physiologically tolerable hydrolysable derivative thereof, in which the hydroxyl group in the 2-position of the 3-aminopropoxy side chain is present in esterified form, and also their tautomeric forms and their salts and also acid addition salts, where in all cases previously mentioned alkyl of the alkyl groups or of alkyl moieties or alkylene moieties of groups in each case denotes straight-chain or branched alkyl or alkylene having 1 to 6 carbon a