S1 Cyclometalated iridium complexes for transfer hydrogenation of carbonyl groups in water Yawen Wei a , Dong Xue,* a Qian Lei, a Chao Wang a and Jianliang Xiao* a,b a Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, P. R. China. E-mail: Xudong_welcome@snnu.edu.cn b Liverpool Centre for Materials & Catalysis, Department of Chemistry, University of Liverpool, Oxford Street, Liverpool, L69 7ZD, UK Fax: 44-151-7943588 E-mail: j.xiao@liv.ac.uk Supporting Information 1. General information S2 2. General procedure for preparation of cyclometalated complexes S2 3. pH effect on transfer hydrogenation of acetophenone with precatalyst 1 and 2 in water S2 4. General procedure for the reduction of ketones with the precatalyst 3 S4 5. General procedure for the reduction of aldehydes with the precatalyst 3 S4 6. Procedure for large scale transfer hydrogenation in water S5 7. Analytic data of catalysts and products S5-S13 8. References S14 9. Traces of 1 H NMR and 13 C NMR spectra S15-S45 Electronic Supplementary Material (ESI) for Green Chemistry This journal is © The Royal Society of Chemistry 2013