Breaking down barriers: The liaison between sigmatropic shifts, electrocyclic reactions, and three-center cations

被引:21
作者
Hoffmann, R [1 ]
Tantillo, DJ
机构
[1] Cornell Univ, Dept Chem & Biol Chem, Ithaca, NY 14853 USA
[2] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA
关键词
carbocations; electrocyclic reaction; pericyclic reaction; proton affinity; sigmatropic rearrangement; transition states;
D O I
10.1002/anie.200352853
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Almost indistinguishable transition-state (TS) geometries, which differ only by the presence or absence of a simple proton, were found for electrocyclic and sigmatropic rearrangements with the same electron count (see picture).
引用
收藏
页码:5877 / 5882
页数:6
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