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Words, grammatical forms and meanings linked to the ontology.

Darzens halogenation en · NOUN

Etymology

Discovered in 1911 by Auguste George Darzens.

Meanings

  1. (uncountable) 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.