1: 3-(pyridin-4-yl)-propanol With 1,10-phenanthroline; potassium tert-butylate; copper(l) chloride in o-di-fluorobenzene T=20°C; 0.166667 h; Inert atmosphere; 2: With 1-methyl-1H-imidazole; di-tert-butylazodicarboxylate; oxygen in o-di-fluorobenzene Reflux; 3: diazomethyl-trimethyl-silane With triphenylphosphine; isopropyl alcohol in o-di-fluorobenzene; diethyl ether T=60°C; Inert atmosphere;

copper(l) iodide; triphenylphosphine; isopropyl alcohol in tetrahydrofuran; diethyl ether T=60°C; 16 h;

1: tetrahydrofuran / 8 h / -20 - 0 °C 2: tetrahydrofuran / 0.5 h / 20 - 25 °C 3: tetrahydrofuran / 0.5 h / 25 °C View Scheme