C. A. Brown and A. Yamashita (1975). "Saline hydrides and superbases in organic reactions. IX. Acetylene zipper. Exceptionally facile contrathermodynamic multipositional isomeriazation of alkynes with potassium 3-aminopropylamide". J. Am. Chem. Soc.97 (4): 891–892. doi:10.1021/ja00837a034.
