Abstract: The invention provides compounds of the formula: ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are defined hereinbelow. These compounds exhibit valuable pharmacological activity and are useful in the treatment of mammals, e.g. as diuretic agents. Furthermore, they have antithrombotic and anti-hypertensive effects.

Abstract: Compounds of the formula: ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3, which can be the same or different, is hydrogen, chloro, bromo, fluoro, methyl, ethyl, methoxy, amino, hydroxy or nitro; R.sub.4 is hydrogen or alkyl of 1 to 7 carbon atoms; R.sub.5 is hydrogen or a straight or branched alkyl group of 1 to 5 carbon atoms or a phenyl group; and R.sub.6 is hydrogen or an alkyl group of 1 to 7 carbon atoms or a substituted or unsubstituted benzyl, X is --CH.sub.2 --, --CHOH-- or --CH.dbd.CH-- and n is 0-4; provided that R.sub.5 and R.sub.6 are simultaneously hydrogen only when n is 4 and X is --CH.dbd.CH--; and their non-toxic pharmaceutically acceptable acid addition salts and mixtures thereof exhibit valuable pharmacological activity and are useful in the treatment of mammals, especially as antithrombotic agents. Furthermore, some of the compounds have proved to possess antihypertensive or .beta.-blocking activity. Antimicrobial and antifungal properties have also been found.

Abstract: The invention provides compounds of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which can be the same or different, are each hydrogen, chloro, bromo, fluoro, methyl, ethyl, methoxy, amino, hydroxy or nitro; R.sub.4 is hydrogen or alkyl of 1 to 7 carbon atoms; --X-- is ##STR2## R.sub.5 is hydrogen, hydroxy or --OR.sub.6 ; and R.sub.6 is alkyl of 1 to 7 carbon atoms or aryl of 6 to 10 carbon atoms; and their non-toxic pharmaceutically acceptable acid addition salts and mixtures thereof. Processes for the preparation and use of the subject compounds are described, as are novel pharmaceutical compositions comprising at least one of the subject compounds or their salts. The compounds and their non-toxic salts exhibit valuable pharmacological activity and are useful in the treatment of mammals, e.g., as anti-ulcer or anti-hypertensive agents. Furthermore, they are useful as diuretic, sedative, analgesic, anti-inflammatory and tranquilizing agents.

Abstract: The invention provides compounds of the formula: ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3, which can be the same or different, is hydrogen, chloro, bromo, fluoro, methyl, ethyl, methoxy, amino, hydroxy or nitro; R.sub.4 is hydrogen or alkyl of 1 to 7 carbon atoms; and n is 0-3; and their non-toxic pharmaceutically acceptable acid addition salts. These compounds exhibit valuable pharmacological activity and are useful in the treatment of mammals, e.g. as anti-hypertensive, .beta.-blocking and anti-thrombotic agents. Furthermore the compounds have remarkable antimicrobial activity. The compounds may be made by a variety of methods and may be incorporated in pharmaceutical compositions also comprising a compatible pharmaceutically acceptable carrier.