반응 #62803

반응 방정식

ethyl(2,4-dichloro-5-fluoro-3-nitrobenzoyl)acetate

triethyl orthoformate

acetic anhydride

→

Ethyl 2-(2,4-dichloro-5-fluoro-3-nitrobenzoyl)-3-ethoxyacrylate

반응 조건

후처리

1. 1
   농축The mixture is then concentrated in vacuo, and 270 g of ethyl benzoylethoxyacrylate
2. 2
   기타are obtained as an oily residue

실험 절차

244.8 g of ethyl(2,4-dichloro-5-fluoro-3-nitrobenzoyl)acetate are heated with 166 g of triethyl orthoformate and 185 g of acetic anhydride at 150°-160° C. for 3 hours. The mixture is then concentrated in vacuo, and 270 g of ethyl benzoylethoxyacrylate are obtained as an oily residue.

출처