Corey-Bakshi-Shibata Reduction (CBS)

E. J. Corey et al., J. Am. Chem. Soc. 109, 5551 (1987).

Enantioselective borane reduction of ketones catalyzed by chiral oxazaborolidines:



Practical catalyst synthesis: D. J. Mathre et al., J. Org. Chem. 58, 2880 (1993). Synthetic application: E. J. Corey et al., J. Am. Chem. Soc. 119, 11769 (1997). Reviews: V. K. Singh, Synthesis 1992, 605-617; L. Deloux, M. Srebnik, Chem. Rev. 93, 763-784 (1993); E. J. Corey, C. J. Helal, Angew Chem. Int. Ed. 37, 1986-2012 (1998).