Propane sultone → 3-(2,3,3-Trimethyl-3H-pyrrolo[2,3-b]pyridin-7-ium-7-yl)propane-1-sulfonate

Participants

Reaction Conditions

Reaction Steps

A mixture of 9 g of 2,3,3-trimethyl-3H-pyrrolo[2,3-b]pyridine and 20.6 g of 1,3-propanesultone is heated at 60° C. for 3 h. The reaction mixture is then dissolved in 100 mL of acetonitrile, and 300 mL of ethyl acetate is added. The resulting sticky solid is again stirred in 300 mL of ethyl acetate to yield 22 g of the product.

Provenance & Evidence