1. For a useful overview of biotransformations, see: Jones, J. B.; Wong, C.-H. Curr. Opinion Chem. Biol. 1998, 2, 67, and the following review articles.
2. For recent reviews, see: (a) Preparative Biotransformations: Whole Cell and Isolated Enzymes in Organic Chemistry; Robert, S. M., Ed.; Wiley: New York, 1993; (b) Wong, C.-H.; Whitesides, G. M. Enzymes in Synthetic Organic Chemistry; Pergamon, 1994; (c) Enzyme Catalysis in Organic Chemistry; Drauz, K.; Waldmann, H., Eds.; VCH: Weinheim, 1995.
3. For a recent comprehensive treatise, see: Biotechnology; Rehm, H.-J.; Reed, G.; Pühler, A.; Stadler, P., Eds.; Wiley-VCH: Weinheim, 1998, Vol. 8a.
4. (a) Jones, J. B. Aldrichimica Acta 1993, 26, 105; (b) Schoffers, E.; Golebiowski, A.; Johnson, C. R. Tetrahedron 1996, 52, 3769; (c) Faber, K. Pure Appl. Chem. 1997, 69, 1613; (d) Roberts, S. M. J. Chem. Soc., Perkin Trans. 1 1999, 1.
5. For a recent review, see: Sugai, T.; Yamazaki, T.; Yokoyama, M.; Ohta, H. Biosci. Biotech. Biochem. 1997, 61, 1419.