Solovyev, A and Chu, Q and Geib, SJ and Fensterbank, L and Malacria, M and LacĂ´te, E and Curran, DP (2010) Substitution reactions at tetracoordinate boron: Synthesis of N-heterocyclic carbene boranes with boron-heteroatom bonds. Journal of the American Chemical Society, 132 (42). 15072 - 15080. ISSN 0002-7863