Abstract
Using ferrocenyl carboxylates as functional ligands, we synthesized a mononuclear complex [Zn(η 2-OOCCH CHFc) 2(CH 3OH) 2] ( 1) and a binuclear complex [Cd(bafca) 2(H 2O) 2] 2 ( 2) (bafca − = α-benzamido-β-ferrocenylacrylic carboxylate) as precursor complexes. Investigation on the substitution reaction of precursor complexes as building blocks in solution-state, four complexes [Zn(OOCCH CHFc) 2(bbbm)] n ( 1a), {[Zn(OOCCH CHFc)(ntb)](CH 3OH)} ( 1b), [Cd(bafca) 2(2,2′-bpy)] 2 · 9H 2O ( 2a) and {[Cd(bafca) 2(bbbm)(CH 3OH) 2] · 6CH 3OH} n ( 2b) were obtained (bbbm = 1,1-(1,4-Butanediyl)bis-1H-benzimidazole, ntb = N,N-bis(1H-benzimidazol-2-ylmethyl)-1H-Benzimidazole-2-methanamine and 2,2′-bpy = 2,2′-bipyridine). As anticipated, the structural integrity of precursor complexes can be maintained in these four complexes. It indicates that we can synthesize the desired complexes with the destination structures by using precursor complexes as building blocks and choosing appropriate auxiliary ligands. In addition, the electrochemical properties of all complexes were investigated, and it can be seen from the results that half-wave potentials of these complexes are slightly higher than that of the corresponding ligand.
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