| abstract |
NOVEL COMPOUNDS OF THE FORMULA (FORMULA) WHEREIN B REPRESENTS A METHYLENE, ETHYLENE OR VINYLENE GROUP, R1 REPRESENTS A HYDROGEN ATOM OR AN ALKYL, ARALKYL, AMINO-ALKYL, MONO-ALKYLAMINO-ALKUL, DIALKYLAMINO-ALKYL, ACYLAMINO-ALKYL, PHTHALI-MIDO-ALKYL, ALKOXYCARBONYLAMINO-ALKYL, ARYLOXYCARBONYLAMINO-ALKYL, ARALKOXYCARBONYLAMINO-ALKYL, ALKYL-AMINOCARBONYLAMINO-ALKYL, ARYLAMINO-CARBONYLAMINO-ALKYL, ARALKYLAMINO-CARBONYLAMINO-ALKYL, ALKYOLSULPHONYL-AMINO-ALKYL OR ARYLSULPHONYLAMINO-ALKYL GROUP, R2 REPRESENTS A CARBOXYL, ALKOXYCARBONYL OR ARALKOXY-CARBONYL GROUP OR A GROUP OF THE FORMULA, (FORMULA I) (FORMULA II) R3 REPRESENTS A CARBOXYL, ALKOXY-CARBONYL OR ARALKOXYCARBONYL GROUP R4 AND R5 EACH REPRESENT A HYDROGEN ATOM OR R4 AND R5 TOGETHER REPRESENT AN OXO GROUP, R6 AND R7 EACH REPRESENT A HYDROGEN ATOM OR AN ALKYL OR ARALKYL GROUP OR R6 AND R7 TOGETHER WITH THE NITROGEN ATOM TO WHICH THEY ARE ATTACHED REPRESENT A 5-MEMBERED OR 6-MEMBERED HETEROMONOCYCLIC RING WHICH MAY CONTAIN A FURTHER NITROGEN ATOM OR AN OXYGEN OR SULPHUR ATOM, AND N STANDS FOR ZERO, 1 OR 2, AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF HAVE ANTI-HYPERTENSIVE ACTIVITY AND CAN BE USED AS MEDICAMENTS IN THE FORM OF PHARMACEUTICAL PREPARATIONS. |