1. and J. Chem. Soc., Perkin Trans. 1 913 (1985).
2. and J. Chem. Soc., Perkin Trans. 1 2807 (1983).
3. The reaction oftrans-2-aminocyclohexanol with formaldehyde
4. and J. Chem. Soc., Perkin Trans. 2 1312 (1976).
5. and J. Chem. Soc., Perkin Trans. 2 504 (1979).