1. Masamune, S., Kaiho, T., and Garvey, D.S., J. Am. Chem. Soc., 1982, vol. 104, p. 5521.
2. Hiraoka, M., Crown Compounds, Their Characteristics and Applications, Tokyo: Kodansha, 1982.
3. Yatsimirskii, K.B., Kol’chinskii, A.G., Pavlishchuk, V.V., and Talanova, G.G., Sintez makrotskilicheskikh soedinenii (Synthesis of Macrocyclic Compounds), Kiev: Naukova Dumka, 1987.
4. Yufit, S.S., Mekhanizm mezhfaznogo kataliza (Mechanism of Phase-Transfer Catalysis), Moscow: Nauka, 1984.
5. Dehmlow, E.V. and Dehmlow, S.S., Phase-Transfer Catalysis, Weinheim: Chemie, 1983, 2nd ed.