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有机化学
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有机化学 ›› 2005, Vol. 25 ›› Issue (9): 1084-1088. 上一篇    下一篇

研究论文

新型手性不对称脲分子钳受体的设计合成

牟其明，赵志刚，杨祖幸，陈淑华*   

  1. (四川大学化学学院 成都 610064)
  • 收稿日期:2004-11-06 修回日期:2005-04-04 发布日期:2005-08-24
  • 通讯作者: 陈淑华

Design and Synthesis of Novel Chiral Molecular Tweezers Containing Unsymmetrically Disubstituted Urea Unit

MU Qi-Ming,ZHAO Zhi-Gang,YANG Zu-Xing,CHEN Shu-Hua*   

  1. (Faculty of Chemistry, Sichuan University, Chengdu 610064)
  • Received:2004-11-06 Revised:2005-04-04 Published:2005-08-24
  • Contact: CHEN Shu-Hua

PDF

1265

被引次数

15 | 4

以芳杂环为隔离基, 手性不对称脲为手臂设计合成了一类新型的分子钳, 其结构经1H NMR, IR, MS和元素分析所确证, 并且考察了其对卤素阴离子C1—, Br—, I—的识别性能.

关键词: 芳杂环, 分子钳, 手性不对称脲, 合成

A novel type of chiral molecular tweezers has been designed and synthesized by using heteroaromatics as spacer and chiral unsymmetrical urea as arm. Their structures were identified by 1H NMR, IR, MS spectra and elemental analysis. The recognition properties of these new receptors for halide anions have been investigated by UV-visible spectral titration. The preliminary results showed that all these molecular tweezers possessed the ability to form complex with anion examined. The greatest association constant reached 14270 L•mol－1.

Key words: chiral unsymmetrical urea, synthesis, molecular tweezer, heteroaromatic