The Ullmann condensation or Ullmann-type reaction is the copper-promoted conversion of aryl halides to aryl ethers, aryl thioethers, aryl nitriles, and...

The Ullmann reaction or Ullmann coupling, named after Fritz Ullmann, couples two aryl or alkyl groups with the help of copper. The reaction was first...

usually does not work well for aryl halides (e.g. bromobenzene, see Ullmann condensation below). Likewise, this method only gives the best yields for primary...

businessman Ullmann condensation, named after Fritz Ullmann Ullmann's Encyclopedia of Industrial Chemistry, named after Fritz Ullmann Ullmann reaction,...

reactions: the Ullmann reaction, the Ullmann condensation, the Graebe-Ullmann synthesis, the Goldberg reaction and the illustrious Jordan-Ullmann-Goldberg synthesis...

"Esters, Organic". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a09_565.pub2. ISBN 3527306730. "Claisen Condensation". Organic Chemistry...

aryl halides cannot undergo nucleophilic substitution. As such, an Ullmann condensation can be employed: an aryl halide is able to react with phenol (or...

In polymer chemistry, condensation polymers are any kind of polymers whose process of polymerization involves a condensation reaction (i.e. a small molecule...

alkylation on the ring since the aryloxide is an ambident nucleophile. Ullmann condensation for the formation of bis-aryl ethers Dimethyl sulfate and Diethyl...

halides with phenols to give biaryl ethers. This reaction is known as Ullmann condensation. In 1906, I. Goldberg extended this reaction to synthesize an arylamine...

β-unsaturated aromatic acid or α-substituted β-aryl acrylic acid by the aldol condensation of an aromatic aldehyde and an acid anhydride, in the presence of an...

convenient replacement for harsher analogues of this process such as the Ullmann condensation. Thiols and thiophenols can be coupled with aryl halides under...

Heck reactions, Buchwald-Hartwig coupling, Suzuki couplings, and Ullmann condensations. The corresponding Grignard reagent readily forms. It is a precursor...

Fischer indole synthesis RXNO:0000074 Wurtz reaction RXNO:0000081 Ullmann condensation RXNO:0000084 Barbier reaction RXNO:0000088 Negishi coupling RXNO:0000090...

coumarin and a variety of chelating agents. Salicylaldehyde is produced by condensation of phenol with formaldehyde to give hydroxybenzyl alcohol, which is oxidized...

can further react, e.g., the Claisen condensation and its intramolecular equivalent, the Dieckmann condensation. This conversion is exploited in the malonic...

configuration. Organocopper compounds couple with aryl halides (see Ullmann condensation and Ullmann reaction): ArX + ( Ar ′ ) 2 CuLi   ↽ − − ⇀ ArAr ′ CuLi + Ar...

compound containing an acidic alpha-proton. The Mannich reaction is a condensation reaction.: 140  In the Mannich reaction, primary or secondary amines...

heterocyclic compounds, but derived from carbazoles. It is prepared by condensation of chloranil and 3-amino-N-ethylcarbazole. It has a centrosymmetric angular...

Pappo, D.; Solel, E.; Keinan, E. (2009). "Corannulene ethers via Ullmann condensation". Organic Letters. 11 (22): 5146–5149. doi:10.1021/ol902352k. PMID 19905024...

described in the Rohm & Haas patent includes as its final steps an Ullmann condensation between 2-chloro-4-trifluoromethylphenol and 2-nitro-5-fluorobenzonitrile...

5-Ethyl-2-methylpyridine is a colorless liquid. 5-Ethyl-2-methylpyridine is produced by condensation of paraldehyde (a derivative of acetaldehyde) and ammonia: 4 CH3CHO +...

industrial importance is low. It is produced by base-catalyzed aldol condensation of 2-butanone with acetaldehyde, forming 4-hydroxy-3-methyl-2-pentanone...

produced using an aldol condensation or Knoevenagel condensation. Some commercially significant enones produced by condensations of acetone are mesityl...

needed] Phenols are susceptible to Electrophilic aromatic substitutions. Condensation with formaldehyde gives resinous materials, famously Bakelite.[citation...

volatile liquid with a honey-like odor. It is prepared by the aldol condensation of acetone to give diacetone alcohol, which readily dehydrates to give...

e., oxidations, condensations, and reductions. 2-Octanone, produced for use in the fragrance industry, is obtained by the condensation of acetone and pentanal...

solid that decomposes near 110 °C. Methylolurea is the product of the condensation reaction of formaldehyde and urea. As such it is an intermediate in the...

poor solubility in water. BPA is produced on an industrial scale by the condensation reaction of phenol and acetone. Global production in 2022 was estimated...

to the alcohol, oxidation to the acid, and base-catalyzed condensation. Aldol condensation in the presence of a base forms 2-ethyl-2-hexenal, which is...