Sulfuryl chloride → HCID 19100800, compound

Participants

Reaction Steps

Chlorination of 7-cyanothieno(2,3-b]pyrazine-2,3(1H,4H)-dione (386 mg, 2 mmol) in acetic acid (50 ml) with sulfuryl chloride (250 pl, 3.1 mmol) was performed following the procedure outlined in example 5 (Method G) to give 170 mg (37%) of the title compound. M.P.>250° C. 1H-NMR (DMSO-D6, δ): 12.25 (br.s, 1H), 12.8 (br.s, 1H).

Provenance & Evidence