sodium hydroxide

((C8H12)Ir((C6H5)2PCH2C7H8N2C6H5))(1+)*B(C6H3(CF3)2)4(1-)=((C8H12)Ir((C6H5)2PCH2C7H8N2C6H5))(B(C6H3(CF3)2)4); hydrogen in dichloromethane T=40°C; P=75007.5 Torr; 63 h; Autoclave; optical yield given as percent ee;