| 摘要 |
<p>Compounds of formula I <IMAGE> (R1 and R2 represent optionally substituted aliphatic hydrocarbon radicals, optionally substituted aryl or heteroaryl each having not more than 2 rings and each being bonded directly or via alkylene or alkenylene, R3 represents hydrogen or alkyl, A represents alkylene or alkenylene having 2 to 4 carbon atoms separating the nitrogen atoms, and Z1, Z2, Z3 and Z4 represent radicals -CH= carrying any substituents of ring B, one of which members can however also be the radical -N=, wherein R1 and R2 do not both represent methyl or ethyl if R3 represents hydrogen, A represents ethenylene and ring B is unsubstituted and their salts possess diuretic and antihypertensive activity and some of them are antidiabetically active. The preparation of starting materials of formula (II> <IMAGE> is described.</p> |
