1: 90 percent / AlCl3 / CH2Cl2 / 2 h / Ambient temperature 2: 64 percent / m-chloroperbenzoic acid, Na2HPO4 / CH2Cl2 / 5 h / Ambient temperature 3: 80 percent / aq. K2CO3 / methanol / 0.25 h / Ambient temperature 4: 60 percent / NaH / dimethylformamide / 0.25 h / -20 °C 5: 50 percent / POCl3 / 1,2-dichloro-ethane / Heating View Scheme

1: 90 percent / AlCl3 / CH2Cl2 / 2 h / Ambient temperature 2: 64 percent / m-chloroperbenzoic acid, Na2HPO4 / CH2Cl2 / 5 h / Ambient temperature 3: 80 percent / aq. K2CO3 / methanol / 0.25 h / Ambient temperature View Scheme

[Ru(4,4′-di-tert-butyl-2,2′-bipyridine)3](PF6)2 in chloroform T=20°C; 8 h; Schlenk techniqueInert atmosphereIrradiation; Reagent/catalyst;

[Ru(4,4′-di-tert-butyl-2,2′-bipyridine)3](PF6)2 in chloroform T=20°C; Inert atmosphereIrradiation; SolventReagent/catalyst;

methanol; sodium methylate 0.75 h; Heating;

1: toluene / 6 h / Heating 2: 1 h / Ambient temperature View Scheme

1: ethanolic KOH 2: diethyl ether View Scheme

diethyl ether

1 h; Ambient temperature;