期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 352, 期 11-12, 页码 1886-1891出版社
WILEY-BLACKWELL
DOI: 10.1002/adsc.201000513
关键词
asymmetric catalysis; difluorphos; hydrogenation; iridium; quinoxaline; tetrahydroquinoxalines
资金
- JSPS-CNRS
- Ministere de l'Education Nationale et de la Recherche
A highly efficient and general iridium-difluorphos-catalyzed asymmetric hydrogenation of diverse 2-alkyl- and 2-aryl-substituted quinoxalines into biologically and pharmaceutically relevant 2-substituted-1,2,3,4-tetrahydroquinoxaline units has been developed. High isolated yields and excellent enantioselectivities of up to 95% for 2-alkyl-substituted quinoxalines and of up to 94% for 2-aryl-substituted quinoxalines were obtained.
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