Putting tert-butyl cation in a bottle

被引:94
|
作者
Kato, T [1 ]
Reed, CA [1 ]
机构
[1] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA
关键词
carbocations; carboranes; hyperconjugation; structure elucidation;
D O I
10.1002/anie.200453931
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Usually viewed as intermediates that become long-lived at low temperatures in superacidic media, simple alkyl carbocations such as the tert-butyl cation can be isolated as stable salts at room temperature when partnered with inert carborane anions. The X-ray crystal structures of tert-butyl (depicted), tert-pentyl, and methyl-cyclopentyl cations have been determined with CHB 11Me5X6- counterions (X= Br or Cl). C blue; H white; B yellow; X green.
引用
收藏
页码:2908 / 2911
页数:4
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