1. For example, [2 + 2] cycloadditions: (a) Huisgen, R.Acc. Chem. Res.1977,10, 117−124, 199−206. (b) Narasaka, K.; Hayashi, Y.; Shimadzu, H.; Niihata, S.J. Am. Chem. Soc.1992,114, 8869. (c) Srisiri, W.; Padius, A. B.; Hall, H. K., Jr.J. Org. Chem.1994,59, 5424. (d) Bach, T.Synthesis1998, 683. [4+2] Cycloadditions: (e) Danishefsky, S.Acc. Chem. Res.1981,14, 400. (f) Trost, B. M.; Vladuchick, W. C.; Bridges, A. J.J. Am. Chem. Soc.1980,102, 3548. [3 + 2] Cycloadditions: (g) DeShong, P.; Lander, S. W., Jr.; Leginus, J. M.; Dicken, C. M.Advances in Cycloaddition; Curran, D. P., Ed.; JAI Press: Greenwich, 1988; Vol. 1, p 87. (h) Panek, J. S.Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Eds.; Pergamon Press: Oxford, U.K., 1991; Vol. 1, p 579.
2. [2 + 1] Cycloaddition of 1-Seleno-2-silylethenes. Selenium-Assisted 1,2-Silicon Shift for Cyclopropanation
3. [2 + 1] and [2 + 2] Cycloaddition Reaction of 1-Seleno-2-silylethenes to Methylenemalonate Esters: A Novel Ring Contraction of Cyclobutane to Cyclopropane
4. Lewis Acid Promoted [2 + 1] Cycloaddition Reactions of 1-Seleno-2-silylethene with Tricarbonyl-Substituted Olefins
5. Lewis Acid-Promoted [2 + 1] Cycloaddition Reactions of a 1-Seleno-2-silylethene to 2-Phosphonoacrylates: Stereoselective Synthesis of a Novel Functionalized α-Aminocyclopropanephosphonic Acid