magnesium in benzene 9 h; Heating;

1: 3,4-(methylenedioxy)phenol With methyl-magnesium iodide in diethyl ether T=20°C; 1 h; Inert atmosphere; 2: (2-methyl-1-propenyl)carbonyl chloride in toluene T=0 - 20°C; Inert atmosphere;

1: 22 percent / K2CO3 / hexane / 20 h / Irradiation 2: 98 percent / 10percent aq. NaOH / hexane / 4 h / Ambient temperature 3: 60 percent / methanol / 3 h 4: 85 percent / 25percent aq. NaOH, 20percent aq. Et4NOH / 1 h / 60 - 65 °C View Scheme

1: 22 percent / K2CO3 / hexane / 20 h / Irradiation 2: 98 percent / 10percent aq. NaOH / hexane / 4 h / Ambient temperature 3: 60 percent / methanol / 3 h 4: 85 percent / 25percent aq. NaOH, 20percent aq. Et4NOH / 1 h / 60 - 65 °C 5: 1.) LiAlH4, 2.) 6 M aq. HCl / 1.) ether, reflux, 1 h, 2.) reflux, 10 min View Scheme

1: 22 percent / K2CO3 / hexane / 20 h / Irradiation 2: 98 percent / 10percent aq. NaOH / hexane / 4 h / Ambient temperature 3: 60 percent / ethanol / 3 h 4: 85 percent / 25percent aq. NaOH, 20percent aq. Et4NOH / 1 h / 60 - 65 °C 5: 1.) LiAlH4, 2.) 6 M aq. HCl / 1.) ether, reflux, 1 h, 2.) reflux, 10 min View Scheme

1: 22 percent / K2CO3 / hexane / 20 h / Irradiation 2: 98 percent / 10percent aq. NaOH / hexane / 4 h / Ambient temperature 3: 60 percent / ethanol / 3 h 4: 85 percent / 25percent aq. NaOH, 20percent aq. Et4NOH / 1 h / 60 - 65 °C View Scheme