تفاعل #62803

معادلة التفاعل

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

triethyl orthoformate

acetic anhydride

→

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

ظروف التفاعل

المعالجة

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

الإجراء التجريبي

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.

المصدر