Method of producing an optically active amine compound by catalytic asymmetric hydrogenation using a ruthenium-diphosphine complex
申请人:Kanto Kagaku Kabushiki Kaisha
公开号:EP2623509A1
公开(公告)日:2013-08-07
The present invention relates to a method for hydrogenating an imine to an optically active amine using a ruthenium metal complex represented by Formula (1)
RuXYAB (1)
such as RuBr2[(S,S )-xylskewphos][(S,S )-dpen];
A is defined as a diphosphine compound represented by Formula (2),
B is defined as a diamine compound represented by Formula (3)
本发明涉及一种使用由式(1)表示的钌金属配合物将亚胺氢化为光学活性胺的方法
RuXYAB (1)
如 RuBr2[(S,S )-xylskewphos] [(S,S)-dpen];
A 定义为由式(2)表示的二膦化合物、
B 定义为由式(3)表示的二胺化合物
Condensations of 1,4-Cyclohexanediones and Secondary Aromatic Amines. The Formation of Alkyldiarylamines and Triarylamines
作者:Kazuo Haga、Masayuki Oohashi、Ryohei Kaneko
DOI:10.1246/bcsj.57.1586
日期:1984.6
Condensation of 1,4-cyclohexanedione with N-alkylarylamines gives N-alkyl-N-arylanilines, and that with diarylamines gives triarylamines. A mechanism involving dehydration of monoenamines of the 1,4-dione is proposed for the reaction. Relative rates of substituted N-ethylanilines on competitive reactions plotted vs. Hammet’s σ values gave −2.0 as the ρ value. In separate reactions, however, a different