Claisen condensation

noun

A carbon–carbon bond-forming reaction that occurs between two esters or one ester and another carbonyl compound in the presence of a strong base, resulting in a β-keto ester or a β-diketone.

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Meanings

nounClaisen condensation (countable and uncountable, plural Claisen condensations)

plural Claisen condensations

  1. countableuncountablechemistryA carbon–carbon bond-forming reaction that occurs between two esters or one ester and another carbonyl compound in the presence of a strong base, resulting in a β-keto ester or a β-diketone.

Origin

Discovered by German chemist Rainer Ludwig Claisen.

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Cite this entry
APA

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

MLA

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

Chicago

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

Source: Claisen condensation on Wiktionary, CC BY-SA 4.0.