Enantioselective Reduction of Ketones Catalyzed by Polymer-Supported Sulfonamide Using NaBH(4)/Me(3)SiCl (or BF(3) small middle dotOEt(2)) as Reducing Agent This work was supported by the Ministry of Sciences and Technology, the State Key Project of Basic Research (Project 973, No. G 2000048007)
Angew Chem Int Ed Engl. 2001 Mar 16;40(6):1109-1111.
doi: 10.1002/1521-3773(20010316)40:6<1109::aid-anie11090>3.0.co;2-t.