Dichloromethane → 2-(Methylsulfonyl)ethyl methanesulfonate

Participants

Reaction Steps

Combine 2-methylsulfonylethanol (7.7 g, 62 mmol) and dichloromethane (50 mL). Cool in an ice bath. Add methanesulfonyl chloride (7.81 g , 68.2 mmol). Add N,N-diisopropylethylamine (8.0 g, 62 mmol). After the addition of N,N-diisopropylethylamine, warm to ambient temperature. After 12 hours, add water and separate the layers. Extract the organic, layer and extract with a saturated aqueous sodium bicarbonate solution. Dry the organic layer over Na2SO4, filter and evaporate in vacuo to give the title compound: mp; 55-57° C.

Provenance & Evidence