1. For preliminary communications, see: (a) J. Cui and D. Horton, Abstracts of Papers, 203rd National Meeting, American Chemical Society, San Francisco, CA, April, 1992, CARB-34.
2. (b) Ph. D. Dissertation, Jingrong Cui, The Ohio State University, 1994; Diss. Abstr. Int., 55B (1994) 899.
3. (c) J. Cui and D. Horton, Abstracts of Papers, 19th International Carbohydrate Symposium, San Diego, CA, August 9–14, 1998.
4. (a) R.E. Moore and G. Bartolini, J. Am. Chem. Soc., 103 (1981), 2491–2494.
5. (b) D.T. Connor, R.C. Greenough, and M. Strandtmann, J. Org. Chem., 42 (1977) 3664–3669.