Henry Rzepa's Blog Chemistry with a twist

March 23, 2017

Silyl cations?

It is not only the non-classical norbornyl cation that has proved controversial in the past. A colleague mentioned at lunch (thanks Paul!) that tri-coordinate group 14 cations such as R3Si+ have also had an interesting history.[1] Here I take a brief look at some of these systems.

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References

  1. J.B. Lambert, Y. Zhao, H. Wu, W.C. Tse, and B. Kuhlmann, "The Allyl Leaving Group Approach to Tricoordinate Silyl, Germyl, and Stannyl Cations", Journal of the American Chemical Society, vol. 121, pp. 5001-5008, 1999. http://dx.doi.org/10.1021/ja990389u

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