S. F. Vasilevskii, M. P. Davydova, V. I. Mamatyuk, N. V. Pleshkova, D. S. Fadeev, I. V. Alabugin, “Reaction of α,β-alkynylketones with β-amino alcohols: pseudoephedrine- assisted cleavage of triple bond via formal internal redox process”, Mendeleev Commun., 25:5 (2015), 377–379