C8H12*C30H43IrN3O(1+)*C32H12BF24(1-); hydrogen in dichloromethane T=25°C; P=37503.8 Torr; 12 h; Inert atmosphere; optical yield given as percent eechemoselective reaction;

boron trifluoride diethyl etherate in diethyl ether; dichloromethane -70 deg C to -30 deg C;