Two transition metal coordination complexes [Co(Tppebc) 2 (Py)(H 2 O)] n (1) and [Ni(Tppebc) 2 (Py)(H 2 O)] n (2) (Py = pyridine, phenyl-4-yl) phenyl)-2-ethoxy-3H-benzimidazole-4-carboxylic acid) have been prepared by a hydrothermal method. The structural unit of complexes 1 and 2 adopts similar distorted octahedra geometry. Furthermore, both of those complexes feature a 1D chain and can be further extended to a higher-dimensional architecture through π•••π stacking and hydrogen bonding. The catalytic property of complexes 1 and 2 were researched in the green catalytic process of the oxidative 2,6-di-tert-butylphenol (DBP). The high conversion and good selectivity results strongly indicate that both of the title complexes are catalytically active under the optimized reaction conditions.
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