【 中文摘要 】本发明属于金属有机配位化合物技术领域，具体涉及一种多齿配体的金属有机配位化合物及其制备方法。本发明独创性地通过水热合成法，以N‑羟乙基‑3, 3‑二甲基‑6‑硝基吲哚啉螺吡喃为配体和乙二胺合成得到多齿配体的金属有机配位化合物C4H16CuN6O6。通过表征发现，本发明的配位化合物是由两个乙二胺作为配体直接与铜离子进行配位所得，偶氮苯四羧酸配体未能参与配位。本发明还公开了所述多齿配体的金属有机配位化合物C4H16CuN6O6在光催化降解染料中的应用。

【 英文摘要 】The present invention belongs to the field of metal organic coordination compound technology, and is especially one kind of metal organic coordination compound of multidentate ligand and its preparation process. In the present invention, N-hydroxyethyl-3, 3-dimethyl-6-nitroindoline spiropyran is used as a ligand and ethylenediamine is used to synthesize a multi-dentate metal organic coordination compound C4H16CuN6O6 through hydrothermal synthesis. The characterization shows that the coordination compound is obtained by directly coordinating two ethylenediamines serving as ligands with copper ions, and the azobenzenetetracarboxylic acid ligand cannot participate in the coordination. The invention also discloses an application of the metal organic coordination compound C4H16CuN6O6 of the multidentate ligand in photocatalytic degradation of dye.

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