Blacker, J., Clutterbuck, L., Crampton, M., Grosjean, C., & North, M. (2006). Catalytic, asymmetric Strecker reactions catalysed by titanium(IV) and vanadium(V)(salen) complexes. Tetrahedron: Asymmetry, 17(9), 1449-1456. https://doi.org/10.1016/j.tetasy.2006.05.015