aluminium trichloride T=40°C; 2 h; ultrasound action presence or absence; Product distribution;

1: With lithium bromide in toluene T=60°C; 1 h; 2: in water; toluene T=20°C; 0.5 h;

potassium hydroxide in water T=0°C; 1.25 h;

1: With formic acid; sulfuric acid; water T=20 - 70°C; 15 h; 2: With sodium hydroxide in water; toluene T=10°C; pH=11; 0.5 h; 3: With hydrogenchloride in tert-butyl methyl ether T=10°C; pH=1; 0.5 h;