Cysteamine Hydrochloride → HCID 23356466, compound

Participants

Reaction Steps

To the solution of 2.0 g of 6-bromopyrrolo[1,2-a]pyrazine prepared in Preparation Example 7 dissolved in 20 ml of dimethylformamide were added 1.8 g of 2-aminoethanethiol hydrochloride and 1.0 g of potassium carbonate. The reaction mixture was refluxed for 5 hours, poured into 100 ml of ice-water and then extracted with ethyl acetate (50 ml×3). The organic layer was isolated and concentrated to dryness; and the residue was chromatographed over silica gel to obtain 1.5 g of title compound.

Provenance & Evidence