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...

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

hydrazine. A third method for the synthesis of carbazole is the Graebe–Ullmann reaction. In the first step, an N-phenyl-1,2-diaminobenzene (N-phenyl-o-phenylenediamine)...

this way n Me2SiCl2 + 2n Na → (Me2Si)n + 2n NaCl Wurtz–Fittig reaction Ullmann reaction Adolphe Wurtz (1855). "Sur une nouvelle classe de radicaux organiques"...

These reactions are also called cross-coupling reactions. The product is unsymmetrical, R−R'. Coupling reactions are illustrated by the Ullmann reaction: Coupling...

new carbon–carbon bond. Examples include the Heck reaction, Ullmann reaction, and Wurtz–Fittig reaction. Many variations exist. Substituted compounds are...

the Ullmann reaction; Goldberg is the only woman scientist unambiguously recognized for her own named reaction: the amidation (Goldberg) reaction. This...

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

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

dechlorinating agent are required. In one classic application, the Ullmann reaction, chloroarenes are coupled to biphenyl]]s. For example, the activated...

Simmons–Smith reaction Sonogashira coupling Staudinger reaction Stille reaction Sulfidation Suzuki reaction Transmetalation Ullmann reaction Upjohn dihydroxylation...

Hydration reaction Condensation reaction Hydrolysis Miller, Raimund; Abaecherli, Claudio; Said, Adel; Jackson, Barry (2001). "Ketenes". Ullmann's Encyclopedia...

thiophene-2-carboxylic acid. It is used as a reagent to promote the Ullmann reaction between aryl halides. Copper(I) thiophene-2-carboxylate at Sigma-Aldrich...

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

substrate for many coupling processes including the Heck reaction, Suzuki reaction, and Ullmann reaction. Shimizu, Shinkichi; Watanabe, Nanao; Kataoka, Toshiaki;...

cleavage Gomberg–Bachmann reaction Gomberg–Bachmann–Hey reaction Gomberg radical reaction Gould–Jacobs reaction Graebe–Ullmann synthesis Grignard degradation...

4-chloroaniline. Alternatively, using Buchwald-Hartwig coupling or Ullmann reaction approaches, aryl halides can be aminated with aqueous or gaseous ammonia...

alkylation reactions. Other reactions that can be catalyzed by the use of chiral biaryl compounds are the Grignard reaction, Ullmann reaction, and the Suzuki...

They are prepared by various coupling reactions including the Suzuki-Miyaura reaction and the Ullmann reaction. Polychlorinated biphenyls were once used...

production of phenol. Related compounds are prepared by Ullmann reactions. The compound undergoes reactions typical of other phenyl rings, including hydroxylation...

In chemistry, a hydration reaction is a chemical reaction in which a substance combines with water. In organic chemistry, water is added to an unsaturated...

reduction–oxidation or oxidation–reduction: 150 ) is a type of chemical reaction in which the oxidation states of the reactants change. Oxidation is the...

The Perkin reaction is an organic reaction developed by English chemist William Henry Perkin that is used to make cinnamic acids. It gives an α,β-unsaturated...

The Kolbe–Schmitt reaction or Kolbe process (named after Hermann Kolbe and Rudolf Schmitt) is a carboxylation chemical reaction that proceeds by treating...

In organic chemistry, the Mannich reaction is a three-component organic reaction that involves the amino alkylation of an acidic proton next to a carbonyl...

Chemistry: Reactions, Mechanisms, and Structure, 5th ed. Wiley, 2001, p. 503. ISBN 0-471-58589-0 • Gerald Booth "Naphthalene Derivatives" in Ullmann's Encyclopedia...

In organic chemistry, a rearrangement reaction is a broad class of organic reactions where the carbon skeleton of a molecule is rearranged to give a structural...

Ullmann's Encyclopedia of Industrial Chemistry is a major reference work related to industrial chemistry by chemist Fritz Ullmann, first published in...

group attached to it in a reaction with an SN2 mechanism. C6H5OH + OH− → C6H5–O− + H2O C6H5–O− + R–X → C6H5OR The Ullmann condensation is similar to...

Tishchenko reaction is an organic chemical reaction that involves disproportionation of an aldehyde in the presence of an alkoxide. The reaction is named...