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Chinese Journal of Organic Chemistry >

2012 , Vol. 32 >Issue 06: 1093 - 1100

DOI: https://doi.org/10.6023/cjoc1109211

Articles

Supramolecular Catalysis of Cucurbit[8]uril on Photocycloaddition of 1,ω-Bi(2-aminopyridinium)alkylates

  • Cong Hang ,
  • Wang Qisheng ,
  • Zhang Jianxin ,
  • Tao Zhu ,
  • Xue Saifeng
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  • a Institute of Applied Chemistry, Guizhou University, Guiyang 550002;
    b Key Laboratory of Chemistry for Natural Products of Guizhou Province, Guiyang 550003

Received date: 2011-09-21

  Revised date: 2012-01-11

  Online published: 2012-02-22

Supported by

Project supported by the National Natural Science Foundation of China (No. 21162003), the Natural Science Foundation of Guizhou Province (Nos. [2008]75, [2009]2073, [2010]2126).

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Abstract

Three kinds of 1,ω-bi(2-aminopyridinium)alkylates, which are the 1,4-bi(2-aminopyridinium)butane dibromide (C4), 1,6-bi(2-aminopyridinium)hexane dibromide (C6) and 1,8-bi(2-aminopyridinium)octane dibromide (C8), have been synthesized, respectively. The host-guest interactions of cucurbit[8]uril (Q[8]) with the above compounds have been investigated using 1H NMR and UV-vis spectra, and the results showed that there were different interaction models in the three host-guest systems. Subsequently, the photocycloaddition reactions of the substrates have been carried out in the presence of Q[8], and the dependence of the supramolecular catalytic active on the construction of substrate was observed.

Key words： 1,ω-bi(2-aminopyridinium)alkylates; cucurbituril; photocycloaddition; host-guest interaction; supramolecular catalysis

Cite this article

Cong Hang , Wang Qisheng , Zhang Jianxin , Tao Zhu , Xue Saifeng . Supramolecular Catalysis of Cucurbit[8]uril on Photocycloaddition of 1,ω-Bi(2-aminopyridinium)alkylates[J]. Chinese Journal of Organic Chemistry, 2012 , 32(06) : 1093 -1100 . DOI: 10.6023/cjoc1109211

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