Dureen Meghan A, Stephan Douglas W
Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada, M5S 3H6.
J Am Chem Soc. 2009 Jun 24;131(24):8396-7. doi: 10.1021/ja903650w.
Frustrated and classical Lewis pairs arising from combinations of Lewis acids and phosphines react with terminal alkynes either via C-H activation forming an alkynylborate salt or by addition to alkyne giving a zwitterionic phosphonium borate.
