1.1: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane / 40 h / 20 °C / |Inert atmosphere 2.1: titanium (IV) bromide / dichloromethane / 72 h / 20 °C / |Inert atmosphere 2.2: 5.5 h / -10 - 20 °C / |Inert atmosphere 3.1: potassium tert-butylate / water; dimethyl sulfoxide / 2 h / 20 °C / |Inert atmosphere 3.2: pH 2 / |Cooling with ice View Scheme

1: hydrogen / Pd/C / ethanol / 24 h 2: 74 percent / selenium dioxide View Scheme

1.1: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane / 40 h / 20 °C / |Inert atmosphere 2.1: titanium (IV) bromide / dichloromethane / 72 h / 20 °C / |Inert atmosphere 2.2: 5.5 h / -10 - 20 °C / |Inert atmosphere 3.1: potassium tert-butylate / water; dimethyl sulfoxide / 2 h / 20 °C / |Inert atmosphere 3.2: pH 2 / |Cooling with ice View Scheme

1.1: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane / 40 h / 20 °C / |Inert atmosphere 2.1: titanium (IV) bromide / dichloromethane / 72 h / 20 °C / |Inert atmosphere 2.2: 5.5 h / -10 - 20 °C / |Inert atmosphere 3.1: potassium hydroxide / water; dimethyl sulfoxide / 8 h / 20 °C / |Inert atmosphere View Scheme

1.1: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane / 40 h / 20 °C / |Inert atmosphere 2.1: tetrahydrofuran / 2 h / -78 - 20 °C / |Inert atmosphere 2.2: 6 h / -10 - 20 °C / |Inert atmosphere 3.1: potassium hydroxide / water; dimethyl sulfoxide / 3 h / 20 °C / |Inert atmosphere View Scheme