potassium phosphate; sodium iodide in sulfolane T=20 - 35°C; Inert atmosphere;

1: With potassium phosphate; sodium iodide in sulfolane T=20 - 35°C; Inert atmosphere; 2: With tert.-butylhydroperoxide in sulfolane; decane T=30 - 35°C; Inert atmosphere;

[BMIM(SO3H)][OTf]; N-bromosuccinmide T=55°C; 2 h; Green chemistry;

[BMIM(SO3H)][OTf]; N-bromosuccinmide T=55°C; 1 h; Green chemistry;

1: 2,2-dibromo-1-(3,4-dimethoxyphenyl)ethanone With dimethyl sulfoxide T=40 - 45°C; Inert atmosphere; 2: methanol T=25 - 30°C; Inert atmosphere;

1.1: potassium phosphate; sodium iodide / sulfolane / 20 - 35 °C / Inert atmosphere 1.2: 30 - 35 °C / Inert atmosphere 2.1: trichlorophosphate / 12 h / 80 °C / Inert atmosphere 3.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 12 h / 25 °C View Scheme