反应详情

A solution of 0.5 g of 1,2,3,4-tetrahydro-1-naphthylurea in 50 ml of 50% aqueous acetic acid is cooled to below 5° C and 6.0 g of ceric ammonium nitrate added. After 5 minutes the mixture is diluted with water and extracted with 3 × 5 ml of ethyl acetate. The extracts are combined and evaporated to dryness to afford the crude title product.

1. extractionextracted with 3 × 5 ml of ethyl acetate
2. customevaporated to dryness