Asymmetric hydrogenation of N-alkyl and N-aryl ketimines using chiral cationic Ru(diamine) complexes as catalysts: the counteranion and solvent effects, and substrate scope

Fei Chen, Ziyuan Ding, Yanmei He, Jie Qin, Tianli Wang, Qing-Hua Fan

Tetrahedron

Volume 68, Issue 26, 1 July 2012, Pages 5248–5257

http://dx.doi.org/10.1016/j.tet.2012.03.019