1. For definition see Ginsburg, D., Propel lanes: Structure and Reactions, Verlag Chemie, Weinheim 1975.
2. For recent reviews containing the chemistry of [n.1.1]propellanes, see
3. Wiberg, K. B. Acc. Chem. Res. 1984, 17, 379.
4. Ginsburg, D. [m.n.1]Propellanes, in The Chemistry of the Cyclopropyl Group, Part II, Rappoport, Z. Ed.; J. Wiley & Sons; Chichester, New York, Brisbane, Toronto, Singapore, 1987, p. 1193.
5. Wiberg, K. B.; Walker, F. H. J. Am. Chem. Soc. 1982, 104, 5239