1.1: iodine; potassium hydroxide / -5 - 0 °C 2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 3.1: methanol; water; sodium hydroxide / 5 h / Reflux 3.2: 1 h / Reflux 4.1: potassium tert-butylate / tert-butyl alcohol / 50 °C View Scheme

1.1: iodine; potassium hydroxide / -5 - 0 °C 2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 3.1: methanol; water; sodium hydroxide / 5 h / Reflux 3.2: 1 h / Reflux 4.1: iodine; potassium hydroxide / -5 - 0 °C 5.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 6.1: methanol; water; sodium hydroxide / 5 h / Reflux 6.2: 1 h / Reflux 7.1: potassium tert-butylate / tert-butyl alcohol / 50 °C View Scheme

1.1: iodine; potassium hydroxide / -5 - 0 °C 2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 3.1: methanol; water; sodium hydroxide / 5 h / Reflux 3.2: 1 h / Reflux 4.1: iodine; potassium hydroxide / -5 - 0 °C 5.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 6.1: methanol; water; sodium hydroxide / 5 h / Reflux 6.2: 1 h / Reflux 7.1: iodine; potassium hydroxide / -5 - 0 °C 8.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 9.1: methanol; water; sodium hydroxide / 5 h / Reflux 9.2: 1 h / Reflux 10.1: iodine; potassium hydroxide / -5 - 0 °C 11.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 12.1: methanol; water; sodium hydroxide / 5 h / Reflux 12.2: 1 h / Reflux 13.1: potassium tert-butylate / tert-butyl alcohol / 50 °C View Scheme

1.1: iodine; potassium hydroxide / -5 - 0 °C 2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 3.1: methanol; water; sodium hydroxide / 5 h / Reflux 3.2: 1 h / Reflux 4.1: iodine; potassium hydroxide / -5 - 0 °C 5.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 6.1: methanol; water; sodium hydroxide / 5 h / Reflux 6.2: 1 h / Reflux 7.1: iodine; potassium hydroxide / -5 - 0 °C 8.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 9.1: methanol; water; sodium hydroxide / 5 h / Reflux 9.2: 1 h / Reflux 10.1: iodine; potassium hydroxide / -5 - 0 °C 11.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 12.1: methanol; water; sodium hydroxide / 5 h / Reflux 12.2: 1 h / Reflux 13.1: iodine; potassium hydroxide / -5 - 0 °C 14.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 15.1: methanol; water; sodium hydroxide / 5 h / Reflux 15.2: 1 h / Reflux 16.1: potassium tert-butylate / tert-butyl alcohol / 50 °C View Scheme

1.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C 2.1: methanol; water; sodium hydroxide / 5 h / Reflux 2.2: 1 h / Reflux 3.1: potassium tert-butylate / tert-butyl alcohol / 50 °C View Scheme

dipotassium hydrogenphosphate; dihydrogen peroxide; trichloroacetonitrile in dichloromethane 312 h; pH 7-8; Yield given;

MABR in dichloromethane 1.) -78 deg C, 2 h; 2.) -20 deg C, 0.3 h;