| abstract |
Compounds of the formula <IMAGE> wherein, Y and Z are each H, alkyl, halo, alkoxy, trifluoromethyl, hydroxy, alkanoyloxy, or alkanoylamino; X is F, Cl Br or NR1R2 in which R1 and R2 are each hydrogen, alkyl, alkenyl, alkynyl, aryl, aralkyl or cycloalkyl; and R is H, alkyl, cycloalkyl or aralkyl; and salts thereof. The compounds have utility as anti-hypertensive and diuretic agents and as intermediates for the preparation of other anti-hypertensive and diuretic agents. |