palladium 10 on activated carbon; hydrogen in methanol; dichloromethane T=20°C; 3 h;

1: potassium hydroxide / ethanol / 12 h / 80 °C 2: palladium 10 on activated carbon; hydrogen / methanol; dichloromethane / 3 h / 20 °C View Scheme

1: ethanol / 2 h / 85 °C 2: potassium hydroxide / ethanol / 12 h / 80 °C 3: palladium 10 on activated carbon; hydrogen / methanol; dichloromethane / 3 h / 20 °C View Scheme

1: triethylamine / chloroform / 0 - 20 °C 2: ethanol / 2 h / 85 °C 3: potassium hydroxide / ethanol / 12 h / 80 °C 4: palladium 10 on activated carbon; hydrogen / methanol; dichloromethane / 3 h / 20 °C View Scheme

1: thionyl chloride; N,N-dimethyl-formamide / chloroform / 1 h / 90 °C 2: triethylamine / chloroform / 0 - 20 °C 3: ethanol / 2 h / 85 °C 4: potassium hydroxide / ethanol / 12 h / 80 °C 5: palladium 10 on activated carbon; hydrogen / methanol; dichloromethane / 3 h / 20 °C View Scheme