1. For example, A. Mannschreck, H. Koller and R. Wernicke, Kontakte, Damstadt (1985) No. 1, p. 40; chem. Abstr. 103(1985)110495.
2. S.G. Allenmark,Chromatographic Enantioseparations: Methods and Application (Horwood, Chichester, 1988).
3. H.B. Kagen and J.C. Fiaud, Topics in Stereochem. 10 (1978) 175.
4. J.D. Morrison (ed.),Asymmetric Synthesis (Academic Press, New York, 1983).
5. A. Mannschreck, H. Koller, G. Stuhler, M.A. Davis and J. Traber, Eur. J. Med. Chem. Chim. Ther. 19 (1984) 381.