Highly Stereoselective Ring Expansion Reactions Mediated by Attractive Cation–n Interactions
- 29 July 2008
- journal article
- research article
- Published by Wiley in Angewandte Chemie-International Edition
- Vol. 47 (33), 6233-6235
- https://doi.org/10.1002/anie.200801591
Abstract
Gaining control : An attractive electrostatic force stabilizes the conformation of an intermediate (see scheme; n=nonbonded electron), thus controlling the leaving group configuration to give superior diastereoselectivity in an asymmetric ring expansion.Keywords
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