Ethanol → HCID 13730769, compound

Participants

Reaction Steps

To o-aminobenzyl alcohol, (2 g, 0.0125 mol) and 3-bromo- -isopropyl- -methyl-2,5-dioxo-3-pyrroline-1-acetonitrile (2.7 g, 0.01 mol) is added absolute ethanol (100 ml) containing 3 g of 5 A pulverized sieves. The mixture is stirred for 20 hours at room temperature. The solvent is removed and the residue is purified through a silica gel dry column, eluant ether-hexane (2:1). Starting bromomaleimide is first recovered, followed by a bright yellow solid 1.89 g (60%), mp 39°-45° C. Anal. calcd. for C17H19N3O3 : C, 65.16; H, 6.11; N, 13.41. Found: C, 65.94; H, 6.21; N, 12.87.

Provenance & Evidence