Indazolyl-(4)-oxypropanolamine compounds and therapeutic compositions
申请人:Boehringer Mannheim GmbH
公开号:US04143149A1
公开(公告)日:1979-03-06
New indazolyl-(4)-oxypropanolamine compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or lower alkyl; and R.sub.2 is straight-chain or branched lower alkyl which can be substituted by lower alkylthio; And the pharmacologically compatible salts thereof; are outstandingly effective adrenergic .beta.-receptor inhibitors and useful in the treatment or prevention of a recurrence of cardiac and circulatory diseases.
Indazole compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or lower alkyl, R' is hydrogen or acyl, e.g., alkanoyl, and R.sub.2 is benzyl or a radical of the general formula ##STR2## in which X is a reactive residue and Y is hydroxyl or X and Y together represent oxygen and, when R' is an acyl radical, R.sub.2 can also be hydrogen: Are valuable intermediates for the preparation of pharmacologically active compounds, e.g., adrenergic .beta.-receptor active 3-indazolyl-(4)-oxy-propan-2-ol-amines.