Gold(i) mediated rearrangement of [7]-helicene to give a benzo[cd]pyrenium cation embedded in a chiral framework†
Raphael J. F. Berger,Matthew J. Fuchter,Ingo Krossing,Henry S. Rzepa,Julia Schaefer,Harald Scherer
Chemical Communications Pub Date : 10/30/2013 00:00:00 , DOI:10.1039/C3CC46986G
Abstract
The facile gold-mediated skeletal rearrangement of [7]-helicene into a cationic polyaromatic hydrocarbon is described. We report in-depth studies on the structure and aromaticity of this novel stable cation and propose a mechanism for its formation.
![Graphical abstract: Gold(i) mediated rearrangement of [7]-helicene to give a benzo[cd]pyrenium cation embedded in a chiral framework](http://hg.y866.cn/compound/lib/scimg/usr/1/C3CC46986G.jpg)
