1: With boron tribromide in dichloromethane T=-78 - 20°C; Inert atmosphere; 2: With methanol in dichloromethane T=20°C; Inert atmosphere;

1: With potassium carbonate T=200°C; Kolbe-Schmitt reaction; P=41372.9 Torr; 4.5 h; Autoclave; 2: With hydrogenchloride in water T=20°C; pH=1;

sodium

sodium hydroxide; dihydrogen peroxide; iron(III) cation T=80°C; Oxidation; decomposition; 2 h; Product distribution; Further Variations:other metal ions; also without metal ion;