Chromanols of the formula (II) ##SPC1## wherein R.sub.1 is a non-aromatic hydrocarbon group of 1-20 carbon atoms, R.sub.2 is a hydrocarbon group of 1-20 carbon atoms optionally substituted by a halogen atom and X is an optionally salted, etherified or acylated hydroxyl group, and N-oxides, acid-addition and quaternary salts thereof are shown to have anti-hypertensive activity. Their preparation and compositions containing them are described.
Novel chroman derivatives of the formula I ##STR1## in which R.sup.1 to R.sup.6 and Z have the meanings given in Patent Claim 1, and their salts show effects on the cardiovascular system and can be used for the treatment or prophylaxis of cardiac insufficiency, angina pectoris, high blood pressure, incontinence and alopecia.
