Ethyl 2-bromopropionate → HCID 15016305, compound

Participants

Reaction Steps

Eleven g of 3-hydroxy-1-(4-trifluoromethoxyphenyl)-1,2,4-1H-triazole was dissolved in 100 ml of dimethylsulfoxide, and to it was added a solution of sodium ethoxide prepared from 1.2 g of sodium and 20 ml of absolute ethanol. An additional 100 ml of dimethylsulfoxide was added, and the solution was heated on the steam bath for 90 minutes. Then 8.3 g of ethyl 2-bromopropionate was added, and heating was continued for 90 minutes more. The solution was cooled and poured over ice water, and the solid was collected and dried to obtain 15 g of the desired product, m.p. 52°-53°.

Provenance & Evidence