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Enantioselective Homogeneous Hydrogenation of Monosubstituted Pyridines and Furans

M Studer, C Wedemeyer-Exl, F Spindler…

文献索引:Studer, Martin; Wedemeyer-Exl, Christina; Spindler, Felix; Blaser, Hans-Ulrich Monatshefte fur Chemie, 2000 , vol. 131, # 12 p. 1335 - 1343

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被引用次数: 77

摘要

Summary. The first case of an enantioselective hydrogenation of monosubstituted pyridines and furans with homogeneous rhodium diphosphine catalysts with low but significant enantioselectivities and catalyst activities is reported. Best enantioselectivities (ee s of 24– 27%) were obtained for the hydrogenation of 2-and 3-pyridine carboxylic acid ethyl ester and 2-furan carboxylic acid with catalysts prepared in situ from [Rh (nbd) 2] BF 4 and the ...