Citation: Yao Zhong Jiang, Xiao Ming Feng, Liu Zhu Gong, Zhi Li, Gui Su Yang, Ai Qiao Mi. ASYMMETRIC SYNTHESIS XXⅧ:ENANTIOSELECTIVE REDUCTION OF AROMATIC KETONES CATALYZED BY NEW CHIRAL CATALYST-(4R,8R,9S)-CAMPHANE[8,9-b]-1,3,2-OXATHIOBOROLIDINE[J]. Chinese Chemical Letters, ;1996, 7(5): 415-418. shu

ASYMMETRIC SYNTHESIS XXⅧ:ENANTIOSELECTIVE REDUCTION OF AROMATIC KETONES CATALYZED BY NEW CHIRAL CATALYST-(4R,8R,9S)-CAMPHANE[8,9-b]-1,3,2-OXATHIOBOROLIDINE

Union Laboratory of Asymmetric Synthesis,Chengdu Institute of Organic Chemistry. Chinese Academy of Sciences, Chengdu 610041

Received Date: 13 October 1995

(4R,8R,9S)-Camphane[8,9-b]-1,3,2-oxathioborolidine prepared from (1R,2S,3R)-3-mercapto-camphol with borane was used as catalyst in the enantioselective reduction of aromatic ketones:moderate enantioselectivities with e.e.7.44%-51.04% have been obtained for aromatic ketones with 20% mol catalyst,73.78% e.e for ω-bromo acetophenone with 100% mol catalyst.
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