1. Several reviews have appeared which describe this methodology: (a) Hosomi, A.; Tominga, Y. InComprehensive Organic Synthesis; Trost, B. M., Ed.; Pergamon Press: Oxford, 1991; Vol. 5, Chapter 5.1, pp 593−615. (b) Mann, J.Tetrahedron1986,42, 4611−4659. (c) Hoffmann, H. M. R.Angew. Chem., Int. Ed. Engl.1984,23, 1−88. (d) Noyori, R.; Hayakawa, Y.Org. React.1983,29, 163−344. (e) Noyori, R.Acc. Chem. Res.1979,12, 61−66.
2. Ambiphilic reactivity of 1,1-dimethoxyacetone