Improved template-directed synthesis of cyclobis (paraquat-p-phenylene)
Improved template-directed synthesis of cyclobis (paraquat-p-phenylene), (M. Asakawa, W. Dehaen, G. L'abbé, S. Menzer, J. Nouwen, F. M. Raymo, J. F. Stoddart, and D. J. Williams), J. Org. Chem. 1996, 61, 9591-9595.