1. B. A. Dmitriev, L. V. Bakinovskii, Yu. A. Knirel', V. L. L'vov, and N. K. Kochetkoy, Izv. Akad. Nauk SSSR, Ser. Khim., 2335 (1974).
2. H. E. Conrad, Methods in Carbohydrate Chemistry, R. L. Whistler and J. N. BeMiller (editors), Vol. 6, Academic Press, New York-London (1972), p. 361.
3. H. M. Flowers and R. W. Jeanloz, J. Qrg. Chem.,28, 1377 (1963).
4. K. Heyns, G. Kiessling, and D. Müller, Carbohyd. Res.,4, 452 (1967).
5. B. Lindberg, J. Löngren, and J. L. Thompson, Carbohyd. Res.,28, 351 (1973).