1. This work is taken from the PhD dissertation of K. S. Nimkar, The University of Arizona, 1994.
2. (a) Hanessian S. Total Synthesis of Natural Products: The ‘Chiron’ Approach; Pergamon Press: Oxford, 1983.
3. (b) Zamojski, A.; Grynkiewicz, G. In The Total Synthesis of Natural Products; ApSimon, J., Ed.; Wiley Interscience: New York, 1984; Vol. 6, pp 141–235.
4. (c) Boivin, T. L. B. Tetrahedron 1987, 43, 3309–3362.
5. (d) Ley, S. V. New Methods Drug Res. 1989, 3, 1–11.