1: phenyl-magnesium bromide With zinc(II) chloride−TMEDA in tetrahydrofuran 2: octyl tosylate With anhydrous iron chloride in tetrahydrofuran T=0 - 25°C;
1: phenyl-magnesium bromide With copper(I) bromide dimethylsulfide complex in tetrahydrofuran Cooling with ice; 2: (Z)-1-phenylhex-4-en-3-yl pyridine-2-carboxylate in tetrahydrofuran T=-60 - -40°C; optical yield given as percent eeFurther stages;
