A series of 3-amino-1-(5, 6, 7, 8-tetrahydronaphthoxy)-2-propanols was synthesized and investigated for 6-adrenergic blocking activity and direct myocardial depressant action. The cis-and trans-diols 12-15 were found to retain the@-blocking potency of propranolol but to lack its myocardial depressant action. Compound 15 (nadolol) is currently undergoing extensive clinical evaluation as a potential antianginal, antiarrhythmic, and ...