Darzens reaction

noun

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

Meanings

nounDarzens reaction (plural Darzens reactions)

plural Darzens reactions

  1. chemistryThe chemical reaction of a ketone or aldehyde with an α-haloester in the presence of base to form an α,β-epoxy ester.

    Synonyms: Darzens condensation

Synonyms & antonyms

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

Origin

Discovered in 1904 by Auguste George Darzens.

Full word history & related roots →
Cite this entry
APA

Darzens reaction. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Darzens%20reaction

MLA

“Darzens reaction.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Darzens%20reaction. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Darzens reaction,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Darzens%20reaction.

Source: Darzens reaction on Wiktionary, CC BY-SA 4.0.