(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.

(chemistry) The chemical reaction of a ketone or aldehyde with an α-haloester in the presence of base to form an α,β-epoxy ester.

(chemistry) Synonym of Darzens reaction

plural of Darzens condensation

plural of Darzens reaction