1. T. J. McMurry, K. N. Raymond and P. H. Smith: Science
24, 938 (1989).
2. D. H. Busch and N. A. Stephenson: J. Coord. Chem.
100, 119 (1990).
3. C. O. Dietrich-Bucheker and J. P. Sauvage: Chem. Revs.
87, 795 (1987).
4. M. C. Thompson and D. H. Busch: J. Am. Chem. Soc.
86, 3642 (1964).
5. Template macrocyclization and macrobicyclization reactions contributed heavily to the founding and developing of the fields of macrocyclic ligand chemistry and inclusion chemistry. Many symposia, journals, meetings and books have been devoted to these subjects.