Citation:
CHEN Chen, ZHANG Rui, WANG Xuan, CAO Yunzhu, BAI Fengying, ZHANG Xiaoxi, LI Guanghua, SHI Zhan, XING Yongheng. Synthesis,Structure and Mimic Haloperoxidase Catalytic Activity of Peroxovanadium Complexes[J]. Chinese Journal of Applied Chemistry,
;2013, 30(12): 1453-1462.
doi:
10.3724/SP.J.1095.2013.20546
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Based on mimicking the environment of the active center of vanadium haloperoxidase (V-HPOs),we designed and synthesized two kinds of peroxovanadium complexes:Na[VO(O2)2 (C10H8N2)]·8H2O(1) and K3H[(VO)2 (O2)4(μ2-O)]·H2O(2),which were structurally characterized by X-ray single crystal diffraction,elemental analysis,IR and UV-Vis spectroscopies. Structural analyses reveal that complex 1 crystallized in an triclinic system with space group P-1,a=0.7213 (2) nm,b=1.1269 (4) nm,c=1.3728 (4) nm,α=68.349 (4)°,β=89.178 (4)°,γ=88.050 (4)°,V=1.0365 (6) nm3 and the complex 2 crystallized in an monoclinic system with space group P21/c, a=0.67047 (12) nm,b=0.99503 (18) nm,c=1.5817 (3) nm,α=γ=90°,β=93.739 (2)°,V=1.0530 (3) nm3. Complex 1 has a distorted pentagonal bipyramidal geometry,while complex 2 has a distorted octahedron geometry. In addition,by studying the bromination reaction activity,it shows that the peroxovanadium complexes can be considered as a potential functional model of bromoperoxidase.
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