1: PCl5 / 0.5 h / 50 °C 2: AlCl3 3: H2 / 5percent Pd/C / ethanol 4: 89 percent / NaOAc 5: 67 percent / NaOCH3 / ethanol / 1 h / Heating 6: 91 percent / SOCl2/DMF / CHCl3 / 0.5 h / 50 °C 7: 2 h / 130 °C View Scheme

1: H2 / 5percent Pd/C / ethanol 2: 89 percent / NaOAc 3: 67 percent / NaOCH3 / ethanol / 1 h / Heating 4: 91 percent / SOCl2/DMF / CHCl3 / 0.5 h / 50 °C 5: 2 h / 130 °C View Scheme

1: AlCl3 2: H2 / 5percent Pd/C / ethanol 3: 89 percent / NaOAc 4: 67 percent / NaOCH3 / ethanol / 1 h / Heating 5: 91 percent / SOCl2/DMF / CHCl3 / 0.5 h / 50 °C 6: 2 h / 130 °C View Scheme

1: 89 percent / NaOAc 2: 67 percent / NaOCH3 / ethanol / 1 h / Heating 3: 91 percent / SOCl2/DMF / CHCl3 / 0.5 h / 50 °C 4: 2 h / 130 °C View Scheme

T=130°C; 2 h;