| 新型二酰胺穴醚与吡啶N-氧化物的络合作用研究 |
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| 引用本文： | 赵淑婷,李媚,曾志,张培,唐陆,陈坤,蒋腊生.新型二酰胺穴醚与吡啶N-氧化物的络合作用研究[J].华南师范大学学报(自然科学版),2014,46(6):85-92. |
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| 作者姓名： | 赵淑婷 李媚 曾志 张培 唐陆 陈坤 蒋腊生 |
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| 作者单位： | 1.华南师范大学化学与环境学院 |
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| 基金项目： | 国家自然科学基金项目(21072066)；广东省教育部产学研基金项目 |
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| 摘 要： | 通过大环化合物4和9分别与5-叔丁基间苯二甲酰氯反应得到了新型穴醚5和10,并通过氢谱、碳谱、低分辨质谱和高分辨质谱进行了结构表征.采用ESI-MS和1H NMR方法研究了主体化合物穴醚5和10与客体吡啶N-氧化物的相互作用,通过核磁滴定测定了主客体络合物的络合常数.实验结果表明:穴醚5和10都能与吡啶N-氧化物形成1:1络合物,而且对于相同的客体,环状空腔较大的主体化合物10的络合常数Ka比主体化合物5的络合常数大23倍.
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| 关 键 词： | 络合作用 |
| 收稿时间： | 2014-02-26 |
Studies on the Complexation of Novel Crown Ether-Based Cryptands with Pyridine N-oxides |
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| Zhao Shuting,Li Mei,Zeng Zi,Zhang Pei,Tang Lu,Chen Kun,Jiang Lasheng.Studies on the Complexation of Novel Crown Ether-Based Cryptands with Pyridine N-oxides[J].Journal of South China Normal University(Natural Science Edition),2014,46(6):85-92. |
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| Authors: | Zhao Shuting Li Mei Zeng Zi Zhang Pei Tang Lu Chen Kun Jiang Lasheng |
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| Institution: | Zhao Shuting;Li Mei;Zeng Zi;Zhang Pei;Tang Lu;Chen Kun;Jiang Lasheng;School of Chemistry and Environment,South China Normal University; |
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| Abstract: | Two novel cryptands were synthesized by reaction of di-benzylamines of Two novel cryptands were synthesized by reaction of di-benzylamines of Bis(m-phenylene-26]crown-8 and Bis(m-phenylene-32]crown-10 with 5-tert-butyl-iso-phthaloyl dichloride. The structures of them were confirmed by NMR and ESI-MS spectra. The complexation behavior of the cryptand hosts with pyridine N-oxide guests were analyzed by ESI-MS and 1H NMR. The results shown that both of the cryptand hosts can bind the guests to form 1:1 complexes; for the same guest, the binding ability of host 10 (with larger ring cavity) is 23 times larger than that of host 5 |
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| Keywords: | cryptand host-guest chemistry complexation |
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