Enantioselective catalysis, XVII. Enantioselective catalytic hydrogenation of unfunctionalized ketones

被引:10
作者
Nagel, U [1 ]
Roller, C [1 ]
机构
[1] Univ Tubingen, Inst Anorgan Chem, D-72076 Tubingen, Germany
来源
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1998年 / 53卷 / 03期
关键词
enantioselective hydrogenation; unfunctionalized ketones; rhodium; salt effect; solvent effect;
D O I
10.1515/znb-1998-0301
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Three diastereomeric rhodium bisphosphane complexes have been applied to asymmetric hydrogenation of unfunctionalized, non-chelating aliphatic and aromatic ketones. The ee values of the catalysis products differ considerably for the diastereomerical catalysts. 70% ee were obtained in hydrogenating butyrophenone, and 83.7% ee for pinacoline. The results depend strongly on the solvent used.
引用
收藏
页码:267 / 270
页数:4
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