Methanol → HCID 5327660, compound

Participants

Reaction Steps

A mixture, 163 mg of 3-(1-indolyl)-4-(1-methyl-3-indolyl)furan-2,5-dione, 2.6 g of hexamethyldisilazane, 0.6 g of methanol and 50 ml of toluene was stirred at 40° C. for 1 hour and then at 110° C. for 1 hour. The mixture was evaporated and the residue was chromatographed on silica gel with 10% methanol in dichloromethane to give 75 mg of 3-(1-indolyl)-4-(1-methyl-3-indolyl)-1H-pyrrole-2,5-dione, m.p. 235°-236° C.

Provenance & Evidence