瓜环与哌嗪衍生物主客体配合物的研究(英) |
Investigation of Host-guest Compounds of Cucurbit[n=5~8]uril with Some Piperazine Derivatives |
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摘要: 本文采用核磁共振技术研究瓜环与哌嗪衍生物主客体配合物的结构特征。1H核磁共振谱证实八元瓜环能与一些哌嗪衍生物形成稳定的双客体主客体配合物,六元瓜环与一些哌嗪衍生物形成稳定的1∶1主客体配合物。而五、七元瓜环和哌嗪衍生物则未表现出明显地相互作用。形成的自组装主客体配合物得到质谱的进一步证实。 |
关键词: 瓜环 哌嗪衍生物 主客体配合物 核磁共振技术 质谱 |
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Abstract: Host-guest complexes formation between cucurbit[n=5~8]urils and piperazine derivatives were studied by using NMR techniques. Experimental results reveal that cucurbit[8]uril can accommodate two molecules of a piperazine derivative to form a 1∶2 host-guest complex, and cucurbit[6]uril can selectively form stable 1∶1 host-guest complex with N-Benzylpiperazine. The experimental results also show that there is no obvious interaction between cucurbit[5 or 7]uril and piperazine derivatives. All the complexes were further confirmed by the MS spectra. |
Keywords: cucurbit[5,6,7,8]uril piperazine derivatives host-guest complex NMR techniques MS spectra |
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刘静欣,陶 朱,薛赛凤,祝黔江,张建新.瓜环与哌嗪衍生物主客体配合物的研究(英)[J].无机化学学报,2004,20(2):139-146. |
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