Axial 4, 4′, 6, 6′-Tetrakis-trifluoromethyl-biphenyl-2, 2′-diamine (TF-BIPHAM): Resolution and Applications in Asymmetric Hydrogenation
CJ Wang, F Gao, G Liang
Index: Wang, Chun-Jiang; Gao, Feng; Liang, Gang Organic Letters, 2008 , vol. 10, # 21 p. 4711 - 4714
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Citation Number: 27
Abstract
ABSTRACT The racemic TF-BIPHAM was resolved for the first time, and the effectiveness of the resolved diamine was demonstrated by highly enantioselective hydrogenation of r-aryl enamides and r-dehydroamino acid esters using readily accessible bis (aminophosphine) ligands.
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