Woodward, R. B.; Cava, M. P.; Ollis, W. D.; Hunger, A.; Daeniker, H. U.; Schenker, K. «The Total Synthesis of Strychnine». Journal of the American Chemical Society, 76, 18, 1954, pàg. 4749–4751. DOI: 10.1021/ja01647a088.
John S. Carey, David Laffan, Colin Thomson and Mike T. Williams "Analysis of the reactions used for the preparation of drug candidate molecules" Org. Biomol. Chem., 2006, 4, 2337-2347. doi:10.1039/B602413K