1. For recent reviews on polyamines and their derivatives, see: (a) Advances in Polyamine Research 1 and 2; Campbell, R. A.; Morris D. R.; Bartos, D.; Davies, G. D.; Bartos F., Eds.; Raven Press: New York, 1978.
2. (b) Ganem, B. Acc. Chem. Res. 1982, 15, 290 and references cited therein.
3. For a comprehensive review on the neuropharmacology of polyamines, see: The Neuropharmacology of Polyamines; Carter, C., Ed.; Academic Press: San Diego, 1994.
4. Catalytic Asymmetric Synthesis;Ojima,1993
5. Cesium Hydroxide Promoted Chemoselective N-Alkylation for the Generally Efficient Synthesis of Secondary Amines