| 具有荧光响应功能的分子四边形的组装(英文) |
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| 引用本文： | 朱 翔,黄 薇,何 成,段春迎.具有荧光响应功能的分子四边形的组装(英文)[J].无机化学学报,2010,26(12):2138-2142. |
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| 作者姓名： | 朱 翔 黄 薇 何 成 段春迎 |
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| 作者单位： | 大连理工大学化工学院,精细化工国家重点实验室,大连,116012 |
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| 摘 要： | 由缩氨基脲和2-喹啉醛合成了席夫碱配体H2L,并与过渡金属离子Cd2+组装得到了四边形配合物CQ。用X射线衍射对配合物的晶体结构进行了测定,发现其具有I41/a空间群。通过荧光测试发现该配合物在CH3CN溶液中具有较强的荧光,加入间苯二甲酸、对苯二甲酸阴离子后荧光发生淬灭,而加入邻苯二甲酸阴离子荧光无变化,可以将邻苯二甲酸阴离子从其他2种二酸阴离子中区分出来。
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| 关 键 词： | 镉离子 荧光 席夫碱配体 二酸阴离子 |
Self-assembly of Fluorescent Molecular Squares |
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| ZHU Xiang,HUANG Wei,HE Cheng and DUAN Chun-Ying.Self-assembly of Fluorescent Molecular Squares[J].Chinese Journal of Inorganic Chemistry,2010,26(12):2138-2142. |
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| Authors: | ZHU Xiang HUANG Wei HE Cheng and DUAN Chun-Ying |
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| Institution: | State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116012,State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116012,State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116012 and State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116012 |
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| Abstract: | A novel Cd-based tetranuclear complex CQ (Cd4H2L4](NO3)2·14H2O, where H2L=bis2-Quinoline methyl] carbohydrazone) has been synthesized via self-assembly. Single-crystal X-ray diffraction analysis shows that CQ is a molecular square, which crystallizes in an I41/a space group. CQ shows a strong fluorescent emission band in CH3CN solution. The fluorescent titration experiment shows the CQ has a fluorescent quenching effect toward p-phthalate and m-phthalate dicarboxylates, while silent for the o-phthalate one, suggesting it can be used as a fluorescent chemosensor for distinguishing o-phthalate from two other isomers of dicarboxylates. CCDC: 791184. |
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| Keywords: | Cd2+ ions luminescence Schiff base ligand dicarboxylates |
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