4Kawanami Y, Murao S, Ohga T, et al. Practical enantioselective reduction of ketones using oxazaborolidine catalyst generated in situ from lactam alcohol and borane[J]. Tetrahedron,2003,59(42):8411-8414.
5Zhang Y, Du D, Chen X, et al. Enantiospecific synthesis of pyridinylmethyl pyrrolidine-methanols and catalytic asymmetric borane reduction of prochiral ketones [J]. Tetrahedron Asymmetry,2004,15 (1) : 177-182.
6Li X, Yeung C, Chan A S C, et al. New 1,3-amino alcohols derived from ketopinie acid and their application in catalytic enantioseleetive reduction of prochiral ketones [J]. Tetrahedron Asymmetry,1999,10(4):759-763.
7Santhi V, Rao J M. Asymmetric reduction of prochiral ketones using in situ generated oxazaborolidines derived from amino alcohols of( 1R )-camphor as catalysts [J]. Tetrahedron Asymmetry, 2000,11(17) :3553-3560.
8Corey E J, Bakshi R K, Shibata S, et al. A stable and easily prepared catalyst for the enantioselective reduction of ketones: application to multistep synthesis[J]. J Am Chem Soc,1987,109(25):7925-7926.
9Jiang B, Feng Y, Zheng J. Highly enantioselective reduction of achiral ketones with NaBH4/Me3SiC1 catalyzed by (S)-α, α-diphenylpyrrolidinemethanol[J]. Tetrahedron Letters, 2000,41 (52): 10281-10283.
10Kanth J V B, Brown H C. A new catalytic enantioselective reducing reagent system from -α,α-diphenylpyrrolidinemet hanoi and 9-borabicyclo nonane especially effective for hindered and substituted aralkylketones[J].Tetrahedron, 2002,58(6): 1069-1074.