Darzens halogenation

English

Etymology

Discovered in 1911 by Auguste George Darzens.

Noun

Darzens halogenation (uncountable)

1. (organic chemistry) The chemical synthesis of alkyl halides from alcohols via the treatment upon reflux of a large excess of thionyl chloride or bromide (SOX₂) in the presence of a small amount of a nitrogen base, such as a tertiary amine or pyridine or its corresponding hydrochloride or hydrobromide salt.