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5,5′-双(2-硝基苯基)偶氮二吡咯甲烷及其Ni(Ⅱ)配合物的合成与晶体结构 被引量：1

Synthesis and crystal structures of 5,5′-bis(2-nitrophenyl)diazodipyrromethane and its Ni(Ⅱ)complex
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摘要 合成了一种5,5′-双(2-硝基苯基)偶氮二吡咯甲烷化合物及其镍配合物,采用X光衍射分析其晶体结构.由于分子内氢键的存在,配体分子的2个偶氮吡咯部分分别采取的是偶氮式异构体和腙式异构体.核磁共振和紫外-可见光谱分析进一步证明了配体分子在溶液中也存在腙式-偶氮式异构化.TGA研究表明配体化合物及其镍配合物均具有较高的热稳定性. 5,5＇- Bis （2- nitrophenyl） diazo- dipyrromethane and its Ni （ Ⅱ ） complex were synthesized and characterized by X-ray crystallography. Due to the existence of intramolecular hydrogen bonds, two azopyrrole moieties of the ligand adopt azo tautomer and hydrazone tautomer respectively. IH NMR and UV-Vis spectra studies indicated that both hydrazone tantomer and azo tautomer of azopyrrole exist in CHC13 solution. TGA studies showed that the ligand and Ni （ Ⅱ ） complex have higher therrno-stability.
作者 张慧 陈金环 尹振明
机构地区 天津师范大学化学学院 天津师范大学无机-有机杂化功能材料化学省部共建教育部重点实验室 天津市功能分子结构与性能重点实验室
出处 《天津师范大学学报（自然科学版）》 CAS 2015年第4期85-89,共5页 Journal of Tianjin Normal University：Natural Science Edition
基金 国家自然科学基金资助项目(21172174)
关键词 偶氮吡咯 镍配合物 晶体结构 偶氮-腙式互变异构 azopyrrole Ni（ Ⅱ ） complex crystal structure azo-hydrazone tautomerism
分类号 O634 [理学—高分子化学]
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参考文献15

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天津师范大学学报（自然科学版）
2015年 第4期

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