A dialkylborenium ion via reaction of N-heterocyclic carbene–organoboranes with Brønsted acids—synthesis and DOSY NMR studies

McArthur, D., Butts, C. P. and Lindsay, D. M. (2011) A dialkylborenium ion via reaction of N-heterocyclic carbene–organoboranes with Brønsted acids—synthesis and DOSY NMR studies. Chemical communications, 47 (23). pp. 6650-6652. ISSN 1359-7345 doi: 10.1039/c1cc10767d

Abstract/Summary

A dialkylborenium ion stabilized by an N-heterocyclic carbene has been prepared for the first time by reaction of IMes-9-BBN-H with triflic acid. The ion-separated nature of the borenium ion was confirmed by 1H and 19F diffusion ordered NMR spectroscopy.