1: iodine monochloride, sodium azide / dimethylformamide / 1 h / Ambient temperature 2: DAMP, pyridine 3: 1.) m-chloroperbenzoic acid, water, 2.) sodium methoxide / 1.) dichloromethane, RT, 3.5 h, 2.) methanol, RT, 30 min View Scheme

1: 78 percent / sodium methoxide / methanol / 16 h / Heating 2: iodine monochloride, sodium azide / dimethylformamide / 1 h / Ambient temperature 3: DAMP, pyridine 4: 1.) m-chloroperbenzoic acid, water, 2.) sodium methoxide / 1.) dichloromethane, RT, 3.5 h, 2.) methanol, RT, 30 min View Scheme

1: 29 percent / triphenylphosphine, iodine, pyridine / dioxane / 7 h / Ambient temperature 2: 78 percent / sodium methoxide / methanol / 16 h / Heating 3: iodine monochloride, sodium azide / dimethylformamide / 1 h / Ambient temperature 4: DAMP, pyridine 5: 1.) m-chloroperbenzoic acid, water, 2.) sodium methoxide / 1.) dichloromethane, RT, 3.5 h, 2.) methanol, RT, 30 min View Scheme

water; sodium methylate; 3-chloro-benzenecarboperoxoic acid 1.) dichloromethane, RT, 3.5 h, 2.) methanol, RT, 30 min; Yield given. Multistep reaction;

1: DAMP, pyridine 2: 1.) m-chloroperbenzoic acid, water, 2.) sodium methoxide / 1.) dichloromethane, RT, 3.5 h, 2.) methanol, RT, 30 min View Scheme