• Thumbnail for Hermann Kolbe
    organic reactions through his Kolbe electrolysis of carboxylate salts, the Kolbe-Schmitt reaction in the preparation of aspirin and the Kolbe nitrile...
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  • Koch–Haaf reaction Kochi reaction Koenigs–Knorr reaction Kolbe electrolysis Kolbe nitrile synthesis Kolbe–Schmitt reaction Kornblum oxidation Kornblum–DeLaMare...
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  • Thumbnail for Vinyl group
    the Radical Particulier of de Morveau". Chemistry. 2 (2): 293–304. doi:10.3390/chemistry2020019. ISSN 2624-8549. H. Kolbe (1851), "On the chemical constitution...
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  • Michaelis–Arbuzov reaction. The Kolbe nitrile synthesis, the reaction of alkyl halides with cyanides. An example of a substitution reaction taking place by...
    12 KB (1,415 words) - 13:08, 26 August 2024
  • Thumbnail for Rosenmund–von Braun reaction
    improvement of the reaction was done in the following years, for example the use of ionic liquids as solvent for the reaction. Kolbe nitrile synthesis...
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  • Thumbnail for Salicylic acid
    Salicylic acid (category CS1 German-language sources (de))
    (100 atm) and high temperature (115 °C) – a method known as the Kolbe-Schmitt reaction. Acidifying the product with sulfuric acid gives salicylic acid:...
    39 KB (3,485 words) - 02:28, 20 December 2024
  • Thumbnail for Alexander Zaytsev (chemist)
    to western Europe to further his chemical studies, studying with Hermann Kolbe in Marburg, and with Charles Adolphe Wurtz in Paris. This went directly...
    8 KB (896 words) - 15:29, 31 October 2024
  • Thumbnail for Methanesulfonic acid
    Methanesulfonic acid (category CS1 German-language sources (de))
    hydrochloric acid (HCl) or sulfuric acid (H2SO4). German chemist Hermann Kolbe discovered MSA between 1842 and 1845 and originally termed it methyl hyposulphuric...
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  • Thumbnail for Mark Foley scandal
    There were also allegations that a second Republican congressman, Jim Kolbe, had improper conduct with at least two youths, a 16-year-old page and a...
    111 KB (11,822 words) - 20:03, 6 December 2024
  • aromatic diazonium salts in diazonium couplings, carbon dioxide in the Kolbe–Schmitt reaction and activated carbonyl groups in the Pechmann condensation, hydroxycarbenium...
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  • Thumbnail for Charles Adolphe Wurtz
    controversy about the constitution of the latter with Adolph Wilhelm Hermann Kolbe resulted in the discovery of many new facts and in a better understanding...
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  • Thumbnail for Ethyl cyanoacetate
    cyanoacetic acid can be prepared via Kolbe nitrile synthesis using sodium chloroacetate and sodium cyanide. Reaction of the sodium cyanoacetate with ethyl...
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  • Thumbnail for Industrial processes
    process – making phenol and acetone from benzene Friedel–Crafts reaction, Kolbe–Schmitt reaction Olefin metathesis, thermal depolymerization Oxo process – produces...
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  • Thumbnail for Jacobus Henricus van 't Hoff
    Jacobus Henricus van 't Hoff (category CS1 German-language sources (de))
    community, and was sharply criticized by one prominent chemist, Hermann Kolbe. Kolbe wrote: "A Dr. J. H. van 't Hoff of the Veterinary School at Utrecht has...
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  • Thumbnail for Tetrachloroethylene
    Tetrachloroethylene and nitrogen tetroxide was first described by Hermann Kolbe in 1869. Tetrachloroethylene begins to thermally decompose at 400 °C, decomposition...
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  • cacodyl (reaction of cacodyl chloride with zinc) around 1841, now also known as a dimer species (CH3)2As—As(CH3)2. Edward Frankland and Hermann Kolbe contributed...
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  • Thumbnail for Rudolf Schmitt
    Rudolf Schmitt (category CS1 German-language sources (de))
    German chemist who together with Adolph Wilhelm Hermann Kolbe discovered the Kolbe-Schmitt reaction. Schmitt was born in the small village Wippershain in...
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  • Thumbnail for Tino Chrupalla
    Tino Chrupalla (category CS1 German-language sources (de))
    right after World War II. He alleged that the Allied victors' reeducation (de) of ordinary Germans after the war had had a lasting impact on the country's...
    29 KB (2,540 words) - 08:08, 28 December 2024
  • Thumbnail for Karl Reimer
    Karl Reimer (category CS1 German-language sources (de))
    symrise.com. Retrieved 2023-12-03. Reimer, Versuche Von K.; Tiemann, F.; Kolbe, H. (1876-10-31). "Interessante Methode der Darstellung formylirter Verbindungen"...
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  • Thumbnail for Port-au-Prince
    Household Surveys August 2011 – February 2012" (PDF). Rio de Janeiro: Instituto Igarape. Kolbe, Athena R & Muggah, Robert. p. 9. Retrieved 21 July 2018...
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  • Thumbnail for Ethane
    the hydrocarbon product of this reaction for methane and did not investigate it further. The process is now called Kolbe electrolysis: CH3COO− → CH3• +...
    29 KB (2,859 words) - 00:52, 22 November 2024
  • Nitrile (redirect from Franchimont reaction)
    2 HC≡N → NC(CH2)4C≡N Two salt metathesis reactions are popular for laboratory scale reactions. In the Kolbe nitrile synthesis, alkyl halides undergo nucleophilic...
    31 KB (3,599 words) - 22:30, 2 January 2025
  • and an alkyl isothiocyanate (R-NCS). Similar considerations apply in the Kolbe nitrile synthesis.[citation needed] While the halogens are not nucleophilic...
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  • Thumbnail for Formylation
    invoked in the Casiraghi and Rieche formylations (cf. Kolbe–Schmitt reaction). The direct reaction between phenol and paraformaldehyde is possible via the...
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  • Thumbnail for Barcelona Pavilion
    site also forms a smaller water basin. This is where the statue by Georg Kolbe sits. The roof plates, relatively small, are supported by the chrome-clad...
    19 KB (1,944 words) - 11:46, 25 October 2024
  • Thumbnail for 2023 Rugby World Cup final
    2023 Rugby World Cup final (category 2020s in Île-de-France)
    that would have put New Zealand in front. With 7 minutes to go, Cheslin Kolbe received a yellow card for a deliberate knock on and New Zealand missed...
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  • 2,4-Dihydroxybenzoic acid (category CS1 German-language sources (de))
    derivatives of benzoic acid. Synthesis from resorcinol is via the Kolbe-Schmitt reaction. It is a degradation product of cyanidin glycosides from tart cherries...
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  • Thumbnail for Nonsteroidal anti-inflammatory drug
    Nonsteroidal anti-inflammatory drug (category CS1 German-language sources (de))
    methods. In 1869, Hermann Kolbe synthesised salicylic acid, although it was too acidic for the gastric mucosa. The reaction used to synthesise aromatic...
    112 KB (11,634 words) - 15:51, 2 December 2024
  • sequence – William Kolakoski Kolbe electrolysis – Adolph Wilhelm Hermann Kolbe Kolbe–Schmitt reaction – Adolph Wilhelm Hermann Kolbe and Rudolf Schmitt Kondo...
    72 KB (6,840 words) - 19:28, 27 November 2024
  • Thumbnail for Phenol
    Phenol (section Reactions)
    phenol. Phenol injections were given to thousands of people. Maximilian Kolbe was also murdered with a phenol injection after surviving two weeks of dehydration...
    45 KB (4,781 words) - 17:59, 17 October 2024