Syntheses of Ligands Containing Two and Three 2,2’-(Bisamino)diphenyl Ether Units Designed for Molecular Self-Assembly on Lithiation - Ashton, Peter R; Hörner, Bernd; Kocian, Oldrich; Menzer, Stephan; White, Andrew J.P.; Stoddart, J Fraser; Williams, David J (Synthesis, 1996)