1: 70 percent / pyridine, piperidine / 15 h / 100 °C 2: 80 percent / conc. sulphuric acid / 6 h / Heating 3: 80 percent / bromine / CCl4 / 3 h / Irradiation 4: 80 percent / potassium hydroxide / ethanol; H2O; dioxane / 7 h / 100 °C 5: 85 percent / diethyl ether 6: 75 percent / 1) 180 deg C, 30 h, 2) 220 deg C, 4 h 7: BBr3 / CH2Cl2 / 10 h View Scheme

1: 80 percent / conc. sulphuric acid / 6 h / Heating 2: 80 percent / bromine / CCl4 / 3 h / Irradiation 3: 80 percent / potassium hydroxide / ethanol; H2O; dioxane / 7 h / 100 °C 4: 85 percent / diethyl ether 5: 75 percent / 1) 180 deg C, 30 h, 2) 220 deg C, 4 h 6: BBr3 / CH2Cl2 / 10 h View Scheme

1: 85 percent / diethyl ether 2: 75 percent / 1) 180 deg C, 30 h, 2) 220 deg C, 4 h 3: BBr3 / CH2Cl2 / 10 h View Scheme

1: 80 percent / bromine / CCl4 / 3 h / Irradiation 2: 80 percent / potassium hydroxide / ethanol; H2O; dioxane / 7 h / 100 °C 3: 85 percent / diethyl ether 4: 75 percent / 1) 180 deg C, 30 h, 2) 220 deg C, 4 h 5: BBr3 / CH2Cl2 / 10 h View Scheme

1: 80 percent / potassium hydroxide / ethanol; H2O; dioxane / 7 h / 100 °C 2: 85 percent / diethyl ether 3: 75 percent / 1) 180 deg C, 30 h, 2) 220 deg C, 4 h 4: BBr3 / CH2Cl2 / 10 h View Scheme

boron tribromide in dichloromethane 10 h;

1: 75 percent / 1) 180 deg C, 30 h, 2) 220 deg C, 4 h 2: BBr3 / CH2Cl2 / 10 h View Scheme

hydrogen iodide

alternariol-O-methyltransferase (AOH-MT) from Alternaria tenuis in ethanol; water T=30°C; 4 h; enzyme activity (Km and Vmax values) at pH=8;

alternariol-O-methyltransferase (AOH-MT) from Alternaria tenuis in ethanol; water T=30°C; 4 h; enzyme activity (Km and Vmax values) at pH=8;