GB1285038A — Alkanolamine derivatives

USPTO Abstract

1285038 #-adrenergic blocking compositions IMPERIAL CHEMICAL INDUSTRIES Ltd 28 Jan 1970 [21 Feb 1969 24 Sept 1969] 9445/ 69 and 47048/69 Heading A5B [Also in Division C2] Pharmaceutical compositions comprise a compound of the general formula: (R<SP>1</SP>=alkyl, hydroxyalkyl; A=alkylene, R<SP>2</SP>= acyl, carbamoyl, alkylcarbamoyl, alkenylcarbamoyl, carbazoyl or A = alkenylene, R<SP>2</SP>=acyl, CN, alkoxycarbonyl, carbamoyl, alkylcarbamoyl, alkenylcarbamoyl, carbazoyl; n = 1, 2; R<SP>3</SP> (same or different when n=2)=H, halogen, alkyl, cycloalkyl, alkenyl, NO 2 , OH, alkylthio, alkoxy, alkenyloxy, aryl, aroxy, aralkyl, aralkoxy, hydroxyalkyl, alkoxyalkyl, haloalkyl, acyl, alkoxvcarbonyl, CN) or an ester or aldehyde condensation product or salt thereof, with or without further active ingredients (sedatives, vasodilators, diuretics, hypotensive agents, myocardial depressants, agents used in the treatment of Parkinson's disease, cardiotonic agents, sympathomimetic bronchodilators), in association with a carrier. The primary active ingredients are #-adrenergic blocking agents.