Formation of Osmium− and Ruthenium−Cyclobutylidene Complexes by Ring Expansion of Alkylidenecyclopropanes

Castro-Rodrigo, R.; Esteruelas, M. A.; Fuertes, S.; López, A. M.; López, F.; Mascarenas, J. L.; Mozo, S.; Onate, E.; Saya, L.; Villarino, L.. Formation of Osmium− and Ruthenium−Cyclobutylidene Complexes by Ring Expansion of Alkylidenecyclopropanes. Journal of the American Chemical Society. 2009, Vol. 131, p. 15572-2009.