Therapeutically useful 1-phenyl-2-piperidinoalkanol derivatives

Abstract

Compounds of the formula: ##STR1## wherein R.sub.1 is hydrogen, halogen, trifluoromethyl, alkyl, hydroxyl, alkyoxy, benzyloxy, alkanoyloxy, or benzoyloxy, or when R.sub.2 is hydroxyl or methoxy in the 4-position and R.sub.3 is hydrogen, R.sub.1 may also represent hydroxymethyl carbamoyl or alkoxycarbonyl, R.sub.2 is hydrogen, halogen, alkyl, hydroxyl, or alkoxy, R.sub.3 is hydrogen or alkyl, R.sub.4 is alkyl (in which case the compounds are (.+-.)-erythro) or when R.sub.3 represents hydrogen, R.sub.4 may also be hydrogen, and R.sub.5 is hydrogen, halogen, alkyl, alkoxy, or three methoxy groups in the 3-, 4- and 5-positions and pharmaceutically acceptable acid addition salts thereof, with the exclusion of compounds wherein: (a) one of R.sub.1 and R.sub.2 is in the 4-position and is hydroxyl, alkoxy or benzyloxy, the other is in the 3-position and is hydrogen, hydroxyl, alkoxy or benzyloxy, and R.sub.3 and R.sub.5 are hydrogen and wherein: (b) R.sub.1 is in the 4-position and is halogen, R.sub.4 is methyl and R.sub.2, R.sub.3 and R.sub.5 are hydrogen, are useful as medicaments.

Dependencies are inferred from the claim text.