1: in diethyl ether T=5 - 20°C; 13 h; 2: With ammonium chloride in diethyl ether; water 3: With potassium permanganate in acetone

1: methoxybenzene With 2,2,6,6-tetramethyl-piperidine; n-butyllithium; ZnCl2*TMEDA in tetrahydrofuran; hexane T=0 - 20°C; Inert atmosphere; 2: 2-bromo-pyridine With 1,1'-bis-(diphenylphosphino)ferrocene; palladium dichloride in tetrahydrofuran; hexane 24 h; RefluxInert atmosphere;

1: 1.) Li / 1.) Et2O, 2.) r. t., overnight 2: KMnO4 / acetone / ice-bath View Scheme

1: 1.) Li / 1.) Et2O, 2.) r. t., overnight 2: KMnO4 / acetone / ice-bath View Scheme