1. (a) Tramontini, M. Synthesis1973, 703–775; (b) Tramontini, M.; Angiolini, L. Tetrahedron1990, 46, 1791–1837; (c) Kleinman, E. F. in Comprehensive Organic Synthesis; Heathcock, C. H., Ed.; Pergamon Press: Oxford, UK, 1991; Vol. 2, p 893.
2. (a) Cole, D. C. Tetrahedron1994, 50, 9517–9582; (b) Enantioselective Synthesis of-ß-Amino Acids; Juaristi, E., Ed.; Wiley-VCH: New York, 1997; (c) Liu, M.; Sibi, M. P. Tetrahedron2002, 58, 7991–8035; (d) Bandala, Y.; Juaristi, E. in Amino Acids, Peptides and Proteins in Organic Chemistry; Hughes, A. B., Ed.; Wiley-VCH: Weinheim, 2009.
3. (a) Jefford, C. W.; Wang, J. B. Tetrahedron Lett.1993, 34, 2911–2914; (b) Davis, F. A.; Prasad, K. R.; Nolt, M. B.; Wu, Y. Org. Lett.2003, 5, 925–927; (c) Kochi, T.; Tang, T. P.; Ellman, J. A. J. Am. Chem. Soc.2003, 125, 11276–11282; (d) Enders, D.; Moser, M.; Geibel, G.; Laufer, M. C. Synthesis2004, 2040–2046; (e) Davis, F. A.; Prasad, K. R.; Nolt, M. B.; Xu, P. J. Org. Chem.2008, 73, 9619–9626.
4. (a) Jung, M. E. in Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Eds.; Pergamon Press: Oxford, UK, 1991; Vol. 4, p 30; (b) Arend, M.; Westermann, B.; Risch, N. Angew. Chem. Int. Ed.1998, 37, 1044–1070; (c) Kobayashi, S.; Ishitani, H. Chem. Rev.1999, 99, 1069–1094; (d) Cordova, A. Acc. Chem. Res.2004, 37, 102–112; (e) Kobayashi, S.; Ueno, M. in Comprehensive Asymmetric Catalysis, Supplement; Springer: Berlin, 2004, 1, p 143–150; (f) Ting, A.; Schaus, S. E. Eur. J. Org. Chem.2007, 35, 5797–5815; (g) Verkade, J. M. M.; van Hemert, L. J. C.; Quaedflieg, P. J. L. M.; Rutjes, F. P. J. T. Chem. Soc. Rev.2008, 37, 29–41; (h) Cordova, A.; Rios, R. in Amino Group Chemistry; Ricci, A., Ed.; Wiley-VCH: Weinheim, Germany, 2008, p.185–205; (i) Arrayas, R. G.; Carretero, J. C. Chem. Soc. Rev.2009, 38, 1940–1948; (j) Bhadury, P. S.; Song, B.-A. Curr. Org. Chem.2010, 14, 1989–2006; (k) Bernardi, L.; Ricci, A.; Franchini, M. C. Curr. Org. Chem.2011, 15, 2210–2226.
5. (a) Xu, L.-W.; Xia, C.-G. Eur. J. Org. Chem.2005, 633–639; (b) Vicario, J. L.; Badia, D.; Carrillo, L.; Etxebarria, J.; Reyes, E.; Ruiz, N. Org. Prep. Proced. Int.2005, 37, 513–538; (c) Krishna, P. R.; Sreeshailam, A.; Srinivas, R. Tetrahedron2009, 65, 9657–9672; (d) Enders, D.; Wang, C.; Liebich, J. X. Chem. Eur. J.2009, 15, 11058–11076; (e) Rulev, A. Y. Russ. Chem. Rev.2011, 80, 197–218; (f) Reyes, E.; Fernandez, M.; Uria, U.; Vicario, J. L.; Badia, D.; Carrillo, L. Curr. Org. Chem.2012, 16, 521–546.