1. (a) Kaiser, C.; Lester, B. M.; Zirkle, C. L.; Burger, A.; Davis, C. S.; Della, T. J.; Zirngibl, L. J. Med. Pharm. Chem. 1962, 5, 1243;
2. (b) Zirkle, C. L.; Kaiser, C.; Tedeschi, D. H.; Tedeschi, R. E.; Burger, A. J. Med. Pharm. Chem. 1962, 5, 1265.
3. Arvidsson, L.-E.; Johansson, A. M.; Hacksell, U.; Nilsson, J. L. G.; Svensson, K.; Hjorth, S.; Magnusson, T.; Carlsson, A.; Lindberg, P.; Andersson, B.; Sanchez, D.; Wikstrom, H.; Sundell, S. J. Med. Chem. 1988, 31, 92.
4. For a recent review, see Lin, G.-Q.; Chen, Y.-Q.; Chan, A.; Li, Y.-M. Chiral Synthesis: Asymmetric Reactions and Applications; Science Press: Beijing, 2000; pp. 238–245.
5. For reviews of asymmetric cyclopropanation, see (a) Doyle, M. P. Asymmetric Cyclopropanation in Catalytic Asymmetric Synthesis; Ojima, I., Ed.; VCH, 1993; pp. 63–99;