反应详情

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.

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