A chiral rhodium complex for rapid asymmetric transfer hydrogenation of imines with high enantioselectivity

被引:218
作者
Mao, JM [1 ]
Baker, DC [1 ]
机构
[1] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA
关键词
D O I
10.1021/ol990098q
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] A chiral rhodium complex, (R)-Cp*RhCl[(1S,2S)-p-TsNCH(C6H5)CH(C6H5)NH2] (1a, (S,S)-Cp*RhCITsDPEN), generated from [Cp*RhCl2](2) and (1S,2S) N-p-toluenesulfonyl-1,2-diphenylethylenediamine [(S,S) TsDPEN], and its enantiomer 1b were found to provide superior catalysts for the rapid, high yielding, asymmetric transfer hydrogenation of some heterocyclic imines, using an HCO2H-Et3N azeotrope as the hydrogen source.
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页码:841 / 843
页数:3
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