Methanol → HCID 70084054, compound

Participants

Reaction Steps

The procedure is carried out as in Example 14 but starting with 0.26 g of 1-(6,7-dichloro-1-oxo-2-indanyl)imidazole-2-carboxamide, 80 ml of methanol and 20 ml of hydrochloric acid (12N). 97 mg of 6,7-dichloro-5H, 10H-imidazo[1,2-a]indeno[1,2-e]pyrazin-4-one are thus obtained in hydrochloride form which melt at a temperature greater than 260° C. (analysis: % calculated C: 49.35, H: 2.44, Cl: 29.88, N: 13.28, % found C: 49.40, H: 2.10, Cl: 29.90, N: 13.10).

Provenance & Evidence