Benzoyl chloride, 3-chloro- → HCID 12771203, compound

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Reaction Steps

As a modification, the acid is prepared in the following manner: 26.7 g aluminium chloride are added to a solution of 17.7 g 3-chlorobenzoic acid chloride in 300 ml 1,2-dichloroethane. At about 0° C., a solution of 12.5 g 1-methylpyrrole-2-carboxylic acid in 200 ml 1,2-dichloroethane is added portionwise. After stirring for 3 hours at room temperature, the mixture is poured over ice. The resulting precipitate is recrystallized from 250 ml 2-butanone, to give 20 g of the pure acid, m.p.=214° C.

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