052.0090. Nagata, W. Alkylaluminum cyanides as potent reagents for hydrocyanation. Tetrahedron Lett. 1966, 7 (18): 1913–1918. doi:10.1016/S0040-4039(00)76271-X
Patel, and Sophie A. L. Rousseaux. Nickel-Catalyzed Reductive Alkyne Hydrocyanation Enabled by Malononitrile and a Formaldehyde Additive. J. Am. Chem. Soc