1: 46 percent / NBS, (PhCO)2O2 / CCl4 / 1.5 h / Heating 2: 43 percent / DBU / tetrahydrofuran / 1 h / 0 °C 3: 70 percent / 2-acetylnaphthalene / methanol / Irradiation; 1.) 0 deg C, 2 h, 2.) r.t., 12 h 4: 61 percent / 2-acetylnaphthalene / diethyl ether / 5 h / Ambient temperature; Irradiation View Scheme

1: 1.) LDA / 1.) THF, hexane, -90 deg C, 1 h, 2.) THF, -90 to -70 deg C, 2 h 2: 3.22 g / m-chloroperbenzoic acid / CH2Cl2 / 1 h / Ambient temperature 3: 46 percent / CaCO3 / toluene / 3 h / Heating 4: 46 percent / NBS, (PhCO)2O2 / CCl4 / 1.5 h / Heating 5: 43 percent / DBU / tetrahydrofuran / 1 h / 0 °C 6: 70 percent / 2-acetylnaphthalene / methanol / Irradiation; 1.) 0 deg C, 2 h, 2.) r.t., 12 h 7: 61 percent / 2-acetylnaphthalene / diethyl ether / 5 h / Ambient temperature; Irradiation View Scheme

1: 43 percent / DBU / tetrahydrofuran / 1 h / 0 °C 2: 70 percent / 2-acetylnaphthalene / methanol / Irradiation; 1.) 0 deg C, 2 h, 2.) r.t., 12 h 3: 61 percent / 2-acetylnaphthalene / diethyl ether / 5 h / Ambient temperature; Irradiation View Scheme

1: 3.22 g / m-chloroperbenzoic acid / CH2Cl2 / 1 h / Ambient temperature 2: 46 percent / CaCO3 / toluene / 3 h / Heating 3: 46 percent / NBS, (PhCO)2O2 / CCl4 / 1.5 h / Heating 4: 43 percent / DBU / tetrahydrofuran / 1 h / 0 °C 5: 70 percent / 2-acetylnaphthalene / methanol / Irradiation; 1.) 0 deg C, 2 h, 2.) r.t., 12 h 6: 61 percent / 2-acetylnaphthalene / diethyl ether / 5 h / Ambient temperature; Irradiation View Scheme

1: 46 percent / CaCO3 / toluene / 3 h / Heating 2: 46 percent / NBS, (PhCO)2O2 / CCl4 / 1.5 h / Heating 3: 43 percent / DBU / tetrahydrofuran / 1 h / 0 °C 4: 70 percent / 2-acetylnaphthalene / methanol / Irradiation; 1.) 0 deg C, 2 h, 2.) r.t., 12 h 5: 61 percent / 2-acetylnaphthalene / diethyl ether / 5 h / Ambient temperature; Irradiation View Scheme

2-acetonaphthalene in methanol 1.58333 h; Ambient temperatureIrradiation;

1: 81 percent / acetone / 5 h / -78 °C / Irradiation 2: 70 percent / 2-acetylnaphthalene / methanol / Irradiation; 1.) 0 deg C, 2 h, 2.) r.t., 12 h 3: 61 percent / 2-acetylnaphthalene / diethyl ether / 5 h / Ambient temperature; Irradiation View Scheme

1: 70 percent / 2-acetylnaphthalene / methanol / Irradiation; 1.) 0 deg C, 2 h, 2.) r.t., 12 h 2: 61 percent / 2-acetylnaphthalene / diethyl ether / 5 h / Ambient temperature; Irradiation View Scheme

2-acetonaphthalene in diethyl ether 4.5 h; Ambient temperatureIrradiation;