Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20432
Title: Asymmetric hydrogenation of quinoxalines with diphosphinite ligands : a practical synthesis of enantioenriched, substituted tetrahydroquinoxalines
Authors: Tang, W
Xu, L
Fan, QH
Wang, J
Fan, B
Zhou, Z
Lam, KH
Chan, ASC
Keywords: Asymmetric catalysis
Diphosphinite ligands
Hydrogenation
Tetrahydroquinoxalines
Issue Date: 2009
Publisher: Wiley-V C H Verlag Gmbh
Source: Angewandte chemie - international edition, 2009, v. 48, no. 48, p. 9135-9138 How to cite?
Journal: Angewandte Chemie - International Edition 
Abstract: An easily accessible chiral lr/H8-binapo catalyst exhibits unprecedented reactivity and excellent enantioselectivity in the hydrogenation of quinoxalines at a high ratio of substrate to catalyst (from 100 to 20000). This new method provides a practical synthetic approach to give optically active chiral tetrahydroquinoxaline derivatives (see scheme; cod = l, 5-cyclooctadiene).
URI: http://hdl.handle.net/10397/20432
DOI: 10.1002/anie.200904518
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