potassium carbonate; potassium iodide in acetone 72 h; Heating;

1,8-diazabicyclo[5.4.0]undec-7-ene in acetonitrile T=0°C; 24 h;

1,8-diazabicyclo[5.4.0]undec-7-ene in acetonitrile T=0°C;

sodium iodide; potassium hydroxide in acetone T=25°C; 8 h;

1: n-butyl lithium 2: 85 percent / 0.3 mole percent CuCl2 * 2 H2O, 1,8-diazabicyclo<5.4.0>undec-7-ene / acetonitrile / 24 h / 0 °C View Scheme

in xylene Heating;

1: 48 percent / conc. aq. HCl, Fe powder / methanol / 0.5 h 2: 60 percent / various solvent(s) / 10 h / Heating 3: 72 percent / AcOK, cupric acetate monohydrate, triethylamine / propan-2-ol / 24 h / Heating 4: 85 percent / trifluoroacetic anhydride / CH2Cl2 / 72 h / 20 °C 5: 83 percent / benzyltriethylammonium chloride, 6N aq. NaOH / 3 h / Heating View Scheme

1: 48 percent / conc. aq. HCl, Fe powder / methanol / 0.5 h 2: various solvent(s) / 10 h / Heating View Scheme

1: 59 percent / xylene / Heating; other nitrophenyl ether 2: 91 percent / conc. HCl, tin / 80 °C View Scheme

in N,N-dimethyl-aniline T=200°C; 4 h; Inert atmosphere;