Thionyl Chloride → 4-Chloro-2-methoxybenzoyl chloride

Beteiligte Stoffe

Reaktionsschritte

A solution of 2.0 g of 4-chloro-o-anisic acid in 22 ml of thionyl chloride is heated at reflux for 1 hour. The volatiles are evaporated in vacuo to give a residue which is is concentrated from toluene three times and dried under vacuum to give 2.0 g of the desired product as a residue.

Herkunft & Nachweise