Triethylamine → 4-(5-Ethylpyridin-2-yl)-1,3,2lambda~4~-dioxathiolan-2-one

Participants

Reaction Steps

4.98 mL (0.0387 mol) triethylamine was added to a solution of 3 g (0.017 mol) 1-(5-ethyl-pyridin-2-yl)-ethan-1,2-diol dissolved in 60 mL dichloromethane at 0-5° C. To this 1.43 mL (0.019 mol) thionyl chloride was added drop wise in 15 min and stirring was continued for 1 hr. Reaction mixture was quenched with 10% sodium bicarbonate solution. Product was extracted with dichloromethane, which was concentrated in vacuo to obtain titled product. Yield of the product was 3.44 g (90%).

Provenance & Evidence