Ethanone, 1-(2,5-dichlorophenyl)- → 2',5'-Dichloro-3-dimethylaminoacrylophenone

Beteiligte Stoffe

Reaktionsschritte

A mixture of 31.0 g of 2',5'-dichloroacetophenone and 25 ml of N,N-dimethylformamide dimethyl acetal is heated on a steam bath for 6 hours, then evaporated to dryness in vacuo. The residue is slurried with hexane, and filtered to give 35.3 g of 2',5'-dichloro-3-dimethylaminoacrylophenone as orange crystals, mp 83°-85° C.

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