1. For reviews of enantioselective aldol additions see: (a) Evans, D. A.; Nelson, J. V.; Taber, T. R. InTopics in Stereochemistry; Eliel, E. L., Allinger, N. L., Wilen, S. H., Eds.; Wiley Interscience: New York, 1982; Vol. 13, p 1. (b) Heathcock, C. H. InComprehensiveCarbanion Chemistry; Buncel, E., Durst, T., Eds.; Elsevier: New York, 1984; Vol. 5B, p 177. (c) Heathcock, C. H. InAsymmetric Synthesis; Morrison, J. D., Ed.; Academic Press: New York, 1984; Vol. 3, Chapter 2. (d) Kim, B. M.; Williams, S. F.; Masamune, S. InComprehensive Organic Synthesis.Additions to C-XπBonds; Heathcock, C. H., Ed.; Pergamon Press: Oxford; 1991; Vol. 2, Part 2, pp 239−275. (e) Gennari, C. InComprehensiveOrganic Synthesis.Additions to C-XπBonds; Heathcock, C. H., Ed.; Pergamon Press: Oxford; 1991; Vol. 2, Part 2, pp 629−660. (f) Bach, T.Angew. Chem., Int. Ed. Engl.1994,33, 417. (g) Franklin, A. S.; Paterson, I.Contemp. Org. Synth.1994,1, 317−416. (h) Braun, M.; Sacha, H.J. Prakt. Chem.1993,335, 653−668. (i) Sawamura, M.; Ito, Y. InCatalyticAsymmetric Synthesis; Ojima, I., Ed.; VCH: New York, 1993; pp 367−388.
2. Investigations on transition-state geometry in the aldol condensation.
3. Cross-Coupling Reactions Based on Acetals
4. Catalytic asymmetric aldol-type reaction using a chiral tin(II) Lewis acid