Supporting information for Hochgürtel et al. (March 12, 2002) Proc. Natl. Acad. Sci. USA, 10.1073/pnas.052703799.



1. Kim, C. U., Lew, W., Williams, M. A., Liu, H., Zhang, L., Swaminathan, S., Bischofberger, N., Chen, M. S., Mendel, D. B., Tai, C. Y., et al. (1997) J. Am. Chem. Soc. 119, 681–690.

2. Corey, E. J., Nicolaou, K. C., Balanson, R. D. & Machida, Y. (1975) Synthesis, 590–591.

3. Lew, W., Wu, H., Mendel, D. B., Escarpe, P. A., Chen, X., Laver, W. G., Graves, B. J. & Kim, C. U. (1998) Bioorg. Med. Chem. Lett. 8, 3321–3324.

4. Kim, K. S. & Qian, L. (1993) Tetrahedron Lett. 34, 7677–7680.

5. Baker, T. J. & Goodman, M. (1999) Synthesis 1423–1426.

6. Barney C. C., et al. (1990) Tetrahedron Lett. 31, 5547–5550.