1. O’Donnell, M.J. (1993) in Catalytic Asymmetric Synthesis (ed. I. Ojima), VCH, New York, Chapter 8, pp. 389–411.
2. Dehmlow, E.V. and Dehmlow, S.S. (1993) Phase Transfer Catalysis, VCH, New York, Section 3.1.5.
3. Starks, C.M., Liotta, C. L. and Halpern, M. (1994) Phase-Transfer Catalysis. Fundamentals, Applications, and Industrial Perspectives, Chapman & Hall, New York, Chapter 12.
4. Ando, A., Miura, T., Tatematsu, T. and Shioiri, T. (1993) Tetrahedron Lett., 34, 1507–10.
5. Shioiri, T., Bohsako, A. and Ando, A. (1996) Heterocycles, 42, 93–7.