• 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) - 14:20, 20 August 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 (2,491 words) - 15:37, 26 September 2024
  • This reaction is named after two of its pioneering investigators Rainer Ludwig Claisen and J. Gustav Schmidt, who independently published on this topic...
    3 KB (313 words) - 20:21, 31 August 2024
  • 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
    in 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 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
  • Thumbnail for Rainer (given name)
    Rainer Barzel (1924–2006), German politician Rainer Brüderle (born 1945), German politician Rainer Ludwig Claisen (1851–1930), German chemist Rainer Fetting...
    4 KB (451 words) - 20:45, 20 August 2024
  • Thumbnail for Elizabeth Hardy (chemist)
    and Christopher Kelk Ingold, but also the non-electronic work of Rainer Ludwig Claisen and Ernst Tietze. Elizabeth MacGregor Hardy was born in Ottawa,...
    10 KB (1,122 words) - 08:27, 11 October 2024
  • Alexis Claude Clairaut Claisen condensation, rearrangement – Rainer Ludwig Claisen Claisen–Schmidt condensation – Rainer Ludwig Claisen and J. Gustav Schmidt...
    72 KB (6,834 words) - 09:36, 13 October 2024
  • a 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 (2,080 words) - 01:20, 15 October 2024
  • the earliest accounts of the tetrahedral intermediate came from Rainer Ludwig Claisen in 1887. In the reaction of benzyl benzoate with sodium methoxide...
    18 KB (2,329 words) - 20:47, 22 July 2024
  • Thumbnail for Cinnamic acid
    followed by hydrolysis of the acid chloride product. In 1890, Rainer Ludwig Claisen described the synthesis of ethyl cinnamate via the reaction of ethyl...
    8 KB (686 words) - 10:04, 12 August 2024
  • Butenandt Georg Ludwig Carius Heinrich Caro Nikodem Caro Johann Friedrich Cartheuser Ernst Boris Chain Lorenz S. Cederbaum Rainer Ludwig Claisen Erich Clar...
    18 KB (1,467 words) - 23:13, 7 July 2024
  • Christian of Schleswig-Holstein Kypros Chrysostomides Somyot Chueathai Rainer Ludwig Claisen Campbell Clarke Johannes Classen Carl Clemen Franz Jakob Clemens...
    24 KB (2,455 words) - 00:39, 11 August 2024
  • Thumbnail for Katholischer Studentenverein Arminia
    historians, ambassador of the Republic of Austria to the Holy See Rainer Ludwig Claisen (1851–1930), famous German chemist August Everding (1928–1999),...
    6 KB (529 words) - 17:48, 6 October 2024
  • Thumbnail for Alexander Smith (chemist)
    and gained his doctorate at the University of Munich under Prof Rainer Ludwig Claisen in Baeyer's laboratory in 1889. In 1890, aged 25, he was elected...
    6 KB (595 words) - 15:21, 4 October 2024