New efficient P,N,O-tridentate ligands for Ru-catalyzed asymmetric transfer hydrogenation

被引:36
作者
Dai, HC [1 ]
Hu, XP [1 ]
Chen, HL [1 ]
Bai, CM [1 ]
Zheng, Z [1 ]
机构
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
基金
中国国家自然科学基金;
关键词
STEREOSELECTIVE SYNTHESIS; RUTHENIUM(II) COMPLEXES; KETONES; ALCOHOLS; ACETOPHENONE; DERIVATIVES;
D O I
10.1016/S0957-4166(03)00320-3
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
New chiral P,N,O Schiff base ligands derived from substituted salicylaldehyde and (R)-1-[(S)-2-(diphenylphosphino)ferrocenyl]ethylamine[(R,S-Fc)-PPFNH2] have been prepared and employed in ruthenium catalyzed asymmetric transfer hydrogenation of simple ketones. Up to 94% e.e. with 99% conversion was obtained when the electron-withdrawing 3,5-dinitro substituted ligand 2f was used. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1467 / 1472
页数:6
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