1. aDean, F. M.The Total Synthesis of Natural Products;ApSimon, J., Ed.Wiley:New York, 1973; Vol.1, pp467−562.
2. bCagniant, P. and Cagniant, D.InAdvances in Heterocyclic Chemistry;Katritzky, A. R. and Boulton, A. J., Eds.Academic Press:New York, 1975; Vol.18, pp337−482.
3. cDean, F. M. and Sargent, M. V.InComprehensive Heterocyclic Chemistry;Katritzky, A. R. and Rees, C. W., Eds.Pergamon Press:Oxford, UK, 1984; Vol.4, pp531−596.
4. dComprehensive Heterocyclic Chemistry II;Katritzky, A. R., Rees, C. W., and Scriven, E. F. V., Eds.Pergamon Press:Oxford, UK, 1996; Vol.2, pp259−321.
5. Synthesis of Benzofurans from Isovanillin via C-Propenylation-O-Vinylation and Ring-closing Metathesis