Meanings
nounUllmann condensation (countable and uncountable, plural Ullmann condensations)
plural Ullmann condensations
- countableuncountablechemistryThe copper-promoted conversion of aryl halides to aryl ethers, aryl thioethers, aryl nitriles, and aryl amines. These reactions are examples of cross-coupling reactions.[1]
Origin
Named after German chemist Fritz Ullmann.
Full word history & related roots →Cite this entry
APA
Ullmann condensation. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Ullmann%20condensation
MLA
“Ullmann condensation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Ullmann%20condensation. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Ullmann condensation,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Ullmann%20condensation.
Source: Ullmann condensation on Wiktionary, CC BY-SA 4.0.