The Vilsmeier–Haack reaction (also called the Vilsmeier reaction) is the chemical reaction of a substituted formamide (1) with phosphorus oxychloride and...
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Dimethylformamide (category CS1 German-language sources (de))
synthesis and in the Vilsmeier-Haack reaction, another useful method of forming aldehydes. It is a common solvent in the Heck reaction. It is a common catalyst...
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various methods such as the Gattermann reaction, Gattermann–Koch reaction, Vilsmeier–Haack reaction, or Duff reaction; however, in terms of ease and safety...
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Anton Vilsmeier (12 June 1894 – 12 February 1962) was a German chemist who together with Albrecht Haack discovered the Vilsmeier-Haack reaction. Anton...
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Oxalyl chloride (section Reactions)
ion (CH3)2N+=CHCl), akin to the first stage in the Vilsmeier–Haack reaction. The imidoyl chloride is the active chlorinating agent. Oxalyl...
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Formylation (redirect from Formylation reaction)
phosphorus oxychloride in the Vilsmeier-Haack reaction. Hexamethylenetetramine in the Duff reaction and the Sommelet reaction Carbon monoxide and hydrochloric...
26 KB (2,838 words) - 02:24, 30 June 2024
Varrentrapp reaction Vilsmeier reaction Vilsmeier–Haack reaction Voight amination Volhard–Erdmann cyclization von Braun amide degradation von Braun reaction von...
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Amide (redirect from Bodroux reaction)
water. Amides do not readily participate in nucleophilic substitution reactions. Amides are stable to water, and are roughly 100 times more stable towards...
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Pyrrole (category CS1 German-language sources (de))
also obtained from reaction with nitriles, by the Houben–Hoesch reaction. Pyrrole aldehydes can be formed by a Vilsmeier–Haack reaction. The NH proton in...
33 KB (3,142 words) - 17:38, 21 February 2024
Electrophilic aromatic substitution (redirect from Tscherniac–Einhorn reaction)
Other reactions that follow an electrophilic aromatic substitution pattern are a group of aromatic formylation reactions including the Vilsmeier–Haack reaction...
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Aldehyde (section Bisulfite reaction)
(1835) "Sur les produits de l'oxidation de l'alcool" (On the products of the oxidation of alcohol), Annales de Chimie et de Physique, 59: 289–327. From...
29 KB (3,003 words) - 01:22, 16 July 2024
in the pharmaceutical industry. In the Vilsmeier-Haack reaction, POCl3 reacts with amides to produce a "Vilsmeier reagent", a chloro-iminium salt, which...
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Dimethylcarbamoyl chloride (category CS1 German-language sources (de))
20 ppm) from dimethylformamide (DMF) in the Vilsmeier–Haack reaction or when DMF is used as a catalyst in the reaction of carboxylic acids with thionyl chloride...
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Regensburg (category CS1 German-language sources (de))
police official and SA general Anton Vilsmeier (1894–1962), German chemist best known for the Vilsmeier-Haack reaction, born in Burgweinting, which is now...
67 KB (6,927 words) - 01:53, 11 September 2024
Cyclobutadieneiron tricarbonyl (category CS1 German-language sources (de))
derivative 3, in a Vilsmeier-Haack reaction with N-methylformanilide and phosphorus oxychloride to the formyl 4, and in a Mannich reaction to amine derivative...
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