Preparation and structural characterization of hetero-dinuclear Schiff base copper (II)–zinc (II) complexes and their inhibition studies on Helicobacter pylori urease
A series of hetero-dinuclear CuII–ZnII complexes,[CuZnCl2L1](1),[CuZnCl2L2](2),[ CuZnBr2L3](3),[CuZnBr2L4 (DMF)](4),[CuZnCl2L4](5),[CuZnCl2L5](6),[CuZnCl2L3](7) and [CuZnBr2L1](8), where L1, L2, L3, L4 and L5 are the deprotonated forms of N, N′-bis (3- ethoxysalicylidene)-1, 3-propanediamine (H2L1), N, N′-bis (2- hydroxynaphthylmethylidene)-1, 3-propanediamine (H2L2), N, N′-bis (3- ...