2: NaH / tetrahydrofuran 4: 30 percent / TiCl3, Zn-Cu / 1,2-dimethoxy-ethane / Heating View Scheme

TiCl3-1,2-dimethoxyethane; copper; zinc in ethylene glycol dimethyl ether Heating;

1: 75 percent / Bu4NBr / benzene / 4 h 2: 77 percent / p-toluenesulfonic acid / benzene / 6 h / Heating 3: 87 percent / H2 / 10percent Pd-C / methanol; ethyl acetate; acetic acid / 48 h / 2585.7 Torr 4: 95 percent / pyridinium chlorochromate, NaOAc, molecular sieves / CH2Cl2 / 2 h / Ambient temperature 5: 30 percent / TiCl3(DME)1.5, Zn-Cu couple / 1,2-dimethoxy-ethane / Heating View Scheme

1: 77 percent / p-toluenesulfonic acid / benzene / 6 h / Heating 2: 87 percent / H2 / 10percent Pd-C / methanol; ethyl acetate; acetic acid / 48 h / 2585.7 Torr 3: 95 percent / pyridinium chlorochromate, NaOAc, molecular sieves / CH2Cl2 / 2 h / Ambient temperature 4: 30 percent / TiCl3(DME)1.5, Zn-Cu couple / 1,2-dimethoxy-ethane / Heating View Scheme

1: 87 percent / H2 / 10percent Pd-C / methanol; ethyl acetate; acetic acid / 48 h / 2585.7 Torr 2: 95 percent / pyridinium chlorochromate, NaOAc, molecular sieves / CH2Cl2 / 2 h / Ambient temperature 3: 30 percent / TiCl3(DME)1.5, Zn-Cu couple / 1,2-dimethoxy-ethane / Heating View Scheme

1: O2, 18-crown-6, Rose Bengal / 107 °C / Irradiation; 30-60 h 2: 66 percent / HCl gas / 0.5 h / 75 °C 3: 75 percent / Bu4NBr / benzene / 4 h 4: 77 percent / p-toluenesulfonic acid / benzene / 6 h / Heating 5: 87 percent / H2 / 10percent Pd-C / methanol; ethyl acetate; acetic acid / 48 h / 2585.7 Torr 6: 95 percent / pyridinium chlorochromate, NaOAc, molecular sieves / CH2Cl2 / 2 h / Ambient temperature 7: 30 percent / TiCl3(DME)1.5, Zn-Cu couple / 1,2-dimethoxy-ethane / Heating View Scheme

1: NaH / tetrahydrofuran 3: 30 percent / TiCl3, Zn-Cu / 1,2-dimethoxy-ethane / Heating View Scheme

1: 95 percent / pyridinium chlorochromate, NaOAc, molecular sieves / CH2Cl2 / 2 h / Ambient temperature 2: 30 percent / TiCl3(DME)1.5, Zn-Cu couple / 1,2-dimethoxy-ethane / Heating View Scheme