• Thumbnail for Rainer Ludwig Claisen
    Rainer Ludwig Claisen (German pronunciation: [ˈʁaɪnɐ ˈklaɪzn̩]; 14 January 1851 – 5 January 1930) was a German chemist best known for his work with condensations...
    7 KB (781 words) - 09:43, 7 April 2024
  • reaction produces a β-keto ester or a β-diketone. It is named after Rainer Ludwig Claisen, who first published his work on the reaction in 1887. The reaction...
    7 KB (627 words) - 23:49, 14 February 2024
  • Thumbnail for Claisen rearrangement
    The Claisen rearrangement is a powerful carbon–carbon bond-forming chemical reaction discovered by Rainer Ludwig Claisen. The heating of an allyl vinyl...
    24 KB (2,490 words) - 23:43, 15 February 2024
  • reaction is named after two of its pioneering investigators Rainer Ludwig Claisen and J. Gustav Schmidt, who independently published on this topic in...
    3 KB (313 words) - 00:27, 23 May 2023
  • Claisen may refer to: Rainer Ludwig Claisen, a German chemist Claisen rearrangement, a reaction of a allyl vinyl ether to a γ,δ-unsaturated carbonyl Claisen...
    472 bytes (93 words) - 16:34, 11 January 2020
  • Thumbnail for Dibenzylideneacetone
    ethanol. It was first prepared in 1881 by the German chemist Rainer Ludwig Claisen (1851–1930) and the Swiss chemist Charles-Claude-Alexandre Claparède...
    10 KB (741 words) - 10:03, 7 November 2023
  • Thumbnail for Propiophenone
    alumina at 450–550 °C: C6H5CO2H + CH3CH2CO2H → C6H5C(O)CH2CH3 + CO2 + H2O Ludwig Claisen discovered that α-methoxystyrene forms this compound when heated for...
    4 KB (239 words) - 08:01, 15 October 2023
  • Thumbnail for Rainer (given name)
    German politician Rainer Brüderle (born 1945), German politician Rainer Ludwig Claisen (1851–1930), German chemist Rainer Fetting (born 1949), German painter...
    4 KB (450 words) - 08:30, 8 December 2023
  • Thumbnail for Michael addition reaction
    cinnamic acid forming the first Michael adduct: In the same year Rainer Ludwig Claisen claimed priority for the invention. He and T. Komnenos had observed...
    27 KB (2,825 words) - 08:27, 20 March 2024
  • Hückel topology transition state. Discovered in 1912 by Rainer Ludwig Claisen, the Claisen rearrangement is the first recorded example of a [3,3]-sigmatropic...
    18 KB (2,106 words) - 07:24, 27 February 2023