A zwitterionic hydrocarbon-soluble borenium ion based on a β-diketiminate backbone. Issue 44 (17th May 2017) - Abdalla, Joseph A. B.
Abstract : A hydrocarbon-soluble borenium/borate zwitterion has been developed which is more strongly Lewis acidic than B(C6 F5 )3, despite featuring a pendant (non-fluorinated) aryl group and two flanking N-donors. Abstract : A versatile synthetic route has been developed to access strongly Lewis acidic borenium cations (and heavier group 13 analogues) featuring a pendant weakly-coordinating borate function. The hydrocarbon-soluble borenium/borate zwitterion is more strongly Lewis acidic than B(C6 F5 )3, despite featuring a pendant (non-fluorinated) aryl group and two flanking N-donors.