Ammonia → HCID 5327678, compound

Participants

Reaction Conditions

Reaction Steps

0.4 g of 3-(1-methyl-3-indolyl)-4-(1-methyl-5-nitro-3-indolyl)furan-2,5-dione was treated with 3 ml of DMF and 20 ml of 33% aqueous ammonia and heated at 140° C. for 3.5 hours. The cooled mixture was filtered and the residue was washed with water and dried to give 0.29 g of 3-(1-methyl-3-indolyl)-4-(1-methyl-5-nitro-3-indolyl)-1H-pyrrole-2,5-dione, m.p. 282°-284° C.

Provenance & Evidence