تفاعل #4361
ord-cc19d9ec45394266839c589e505a7929
معادلة التفاعل
ethyl (2,4-dichloro-5-fluoro-3-nitrobenzoyl)-acetate
triethyl orthoformate
acetic anhydride
→
Ethyl 2-(2,4-dichloro-5-fluoro-3-nitro-benzoyl)-3-ethoxyacrylate
الكواشف
لا شيء
ظروف التفاعل
الظروف التفصيلية
See reaction.notes.procedure_details.
المعالجة
- 1تركيزThe mixture is then concentrated in vacuo and 270 g of ethyl benzoyl-ethoxy-acrylate
- 2أخرىare obtained as an oily residue
الإجراء التجريبي
244.8 g of ethyl (2,4-dichloro-5-fluoro-3-nitrobenzoyl)-acetate are heated at 150°-160° C. with 166 g of triethyl orthoformate and 185 g of acetic anhydride for 3 hours. The mixture is then concentrated in vacuo and 270 g of ethyl benzoyl-ethoxy-acrylate are obtained as an oily residue.