m-Chloroperbenzoic acid → HCID 20381194, compound

Participants

Reaction Steps

A solution of 3.5 g of pyrido[3,4-B][1,4]benzodioxin in 40 ml of dichloromethane is treated with 4.04 g of 85% m-chloroperbenzoic acid. The mixture is refluxed with stirring for 4 days. The mixture is diluted with 250 ml of dichloromethane and washed with excess 25% sodium hydroxide solution. The organic layer is dried and evaporated to yield pyrido[3,4-B][1,4]-benzodioxin-2 oxide, mp 232°-233° C. dec.

Provenance & Evidence