Hydrochloric Acid → 5-Butylidene-3-[2-(imidazo[1,2-a]pyridin-5-yl)ethyl]thiazolidine-2,4-dione hydrochloride

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Reaction Steps

To a solution of 1.15 g (3.65 mmol) of 5-butylidene-3-[2-(imidazo[1,2-a]pyridin-5-yl)ethyl]thiazolidine-2,4-dione in 50 ml of methanol, 0.33 ml of concentrated hydrochloric acid was added. After the solvent was distilled off, the residue was washed with diethyl ether to yield 1.00 g (77.9%, light yellow solid) of the desired product.

Provenance & Evidence