Hydrogen chloride-ethyl acetate → HCID 70205032, compound

Participants

Reaction Steps

To a methanol solution of 683 mg (1.2 mmol) of 4-(imidazo[1,2-a]pyridin-5-ylthio)butanoic [3-(1,1,6,8-tetraoxo-9-phenyl-2,3,4,8-tetrahydropyrimido[6,1-b][1,3]thiazine-7-yl)propyl]amide, 0.5 ml of 4N hydrochloric acid-ethyl acetate was added, followed by stirring. After the solvent was distilled off, the residue was washed with ether to yield 658 mg (90.7%, white crystal) of the desired product.

Provenance & Evidence