1: With N-bromosuccinmide; dibenzoyl peroxide in tetrachloromethane 24 h; Reflux; 2: With acetic acid in water 24 h; Reflux;

1.1: AlCl3, aluminium chloride; sodium chloride / 0.75 h / 165 - 170 °C 2.1: potassium carbonate / acetone / 20 h / 20 °C 3.1: potassium carbonate / acetone / 22 h / |Reflux 4.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 5.1: sodium hydroxide / water / 24 h / 20 °C 6.1: potassium carbonate / acetone / 20 h / 20 °C 7.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 7.2: 24 h / |Reflux View Scheme

1.1: potassium carbonate / acetone / 20 h / 20 °C 2.1: potassium carbonate / acetone / 22 h / |Reflux 3.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 4.1: sodium hydroxide / water / 24 h / 20 °C 5.1: potassium carbonate / acetone / 20 h / 20 °C 6.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 6.2: 24 h / |Reflux View Scheme

1.1: potassium carbonate / acetone / 22 h / |Reflux 2.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 3.1: sodium hydroxide / water / 24 h / 20 °C 4.1: potassium carbonate / acetone / 20 h / 20 °C 5.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 5.2: 24 h / |Reflux View Scheme

1.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 2.1: sodium hydroxide / water / 24 h / 20 °C 3.1: potassium carbonate / acetone / 20 h / 20 °C 4.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 4.2: 24 h / |Reflux View Scheme

1.1: sodium hydroxide / water / 24 h / 20 °C 2.1: potassium carbonate / acetone / 20 h / 20 °C 3.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 3.2: 24 h / |Reflux View Scheme

1.1: potassium carbonate / acetone / 20 h / 20 °C 2.1: N-bromosuccinmide; dibenzoyl peroxide / tetrachloromethane / 24 h / |Reflux 2.2: 24 h / |Reflux View Scheme

manganese(IV) oxide

1: triacetyl borate 2: 1,1,2,2-tetrachloro-ethane; diethyl ether 3: methanol. KOH 4: MnO2 View Scheme

1: methanol. KOH 2: MnO2 View Scheme