COA of Formula: C12H9N3. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-(Pyridin-4-yl)-1H-benzo[d]imidazole, is researched, Molecular C12H9N3, CAS is 2208-59-5, about Syntheses, structures, and properties of transition metal complexes with 2-(n-pyridyl)benzimidazole (n = 2, 3, and 4). Author is Zhou, Ying-Xia; Li, Xia; Zhang, Hai-Yan; Fan, Cai-Ling; Zhang, Hong-Yun; Wu, Ben-Lai.
Three pyridylbenzimidazoles (2-PBIM, 3-PBIM, and 4-PBIM) were prepared (2-PBIM: 2-(2-pyridyl)-benzimidazole, 3-PBIM: 2-(3-pyridyl)-benzimidazole, 4-PBIM: 2-(4-pyridyl)-benzimidazole). Reactions of several transition metals (Cd2+, Cu2+, Fe2+) with the three ligands gave four new coordination complexes, [(Cd)2(2-PBIM)2(CH3COO)4] (1), [Cu(3-PBIM)2(CH3COO)2]·2H2O (2), [Cu(4-PBIM)2(CH3COO)2(H2O)]·H2O (3), and [Fe(4-PBIM)2(Cl)2(H2O)2] (4), resp. These four complexes were characterized by x-ray crystallog., IR spectroscopy, and UV absorption spectroscopy. Thermogravimetric properties of 2 and 4 were also measured. X-ray crystallog. studies reveal that these four complexes are very different, although the ligands are similar in structure. The role of hydrogen-bonding and π-π interactions in extending dimensionality of simple complexes is discussed.
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