# Supplementary Material (ESI) for Chemical Communications # This journal is © The Royal Society of Chemistry 2006 S1 Supplementary Information: Asymmetric transfer hydrogenation of imines and iminiums catalyzed by a water-soluble catalyst in water Jiashou Wu, Fei Wang, Yaping Ma, Xin Cui, Linfeng Cun, Jin Zhu*, Jingen Deng* and Bangliang Yu Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province and Union Laboratory of Asymmetric Synthesis, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, and Graduate School of Chinese Academy of Sciences, Beijing, China E-mail: jgdeng@cioc.ac.cn Table of Contents 1. General procedure………………………………………………………………S2 2. General procedure for the synthesis and characterization data for 5a-e……………………………………………………………………………S2-S3 3. General procedure for the synthesis and characterization data for iminiums 11a and 11d …………………………………………………………………S3-S4 4. Typical procedure for asymmetric transfer hydrogenation of iminiums catalyzed by RuCl[(1R,2R)-TsDPEN](η 6 -p-cymene) (Noyori catalyst) in organic solvent…………………………………………………………………S4 5. Typical procedure for asymmetric transfer hydrogenation of imines and iminiums in aqueous media and characterization data for 4a-4c, 6a-6e, 8a, 8b, 12a and 12d………………………………………………………………… S4-S8