• Thumbnail for Arthur Rudolf Hantzsch
    Arthur Rudolf Hantzsch (7 March 1857 – 14 March 1935) was a German chemist. Hantzsch studied chemistry in Dresden and graduated at the University of Würzburg...
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  • Thumbnail for Hantzsch ester
    compound is an example of a 1,4-dihydropyridine. It is named after Arthur Rudolf Hantzsch who described its synthesis in 1881. The compound is a hydride donor...
    3 KB (248 words) - 05:17, 22 August 2024
  • reported in 1881 by Arthur Rudolf Hantzsch. A 1,4-dihydropyridine dicarboxylate is also called a 1,4-DHP compound or a Hantzsch ester. These compounds...
    12 KB (1,230 words) - 14:25, 26 September 2024
  • organic chemistry, Hantzsch–Widman nomenclature, also called the extended Hantzsch–Widman system (named for Arthur Rudolf Hantzsch and Karl Oskar Widman [sv;...
    8 KB (728 words) - 09:34, 31 August 2024
  • Hantzsch is a surname. Notable people with the surname include: Arthur Rudolf Hantzsch (1857–1935), German chemist Hantzsch–Widman nomenclature, type...
    850 bytes (139 words) - 20:12, 23 July 2022
  • Thumbnail for 5-Aminotetrazole
    monohydrate. The correct structural formula was published in 1901 by Arthur Hantzsch, who obtained it from the reaction between cyanamide and hydrazoic...
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  • Thumbnail for Hantzsch pyrrole synthesis
    The Hantzsch Pyrrole Synthesis, named for Arthur Rudolf Hantzsch, is the chemical reaction of β-ketoesters (1) with ammonia (or primary amines) and α-haloketones...
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  • Thumbnail for James B. Conant
    chemists, including Theodor Curtius, Kazimierz Fajans, Hans Fischer, Arthur Hantzsch, Hans Meerwein, Jakob Meisenheimer, Hermann Staudinger, Adolf Windaus...
    87 KB (9,808 words) - 14:27, 26 September 2024
  • Thumbnail for List of nominees for the Nobel Prize in Chemistry
    org. April 2020. Retrieved 11 November 2020. "Nomination Archive – Arthur Hantzsch". NobelPrize.org. April 2020. Retrieved 11 November 2020. "Nomination...
    358 KB (12,268 words) - 18:53, 30 July 2024
  • Thumbnail for Franz Hein
    University of Leipzig in 1912. Hein completed his Ph.D. in 1917 under Arthur Hantzsch (1857-1935) on optical studies of bismuth and triphenylmethane derivatives...
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  • über Halochromie” (Research on Halochromie) under the direction of Arthur Hantzsch. Afterwards, following the advice of his father, he travelled to England...
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  • Thumbnail for Imidazole
    The name "imidazole" was coined in 1887 by the German chemist Arthur Rudolf Hantzsch (1857–1935). Imidazole is a planar 5-membered ring, that exists...
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  • Thumbnail for Gustaf Komppa
    Technology in 1891 and subsequently worked for a while in Switzerland with Arthur Hantzsch before obtaining his Ph.D. Shortly after returning to Finland he became...
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  • Thumbnail for Johannes Schilling
    Graebner, and Katharina Susanna Schilling, who became the wife of chemist Arthur Hantzsch. The writer and historian Heinar Schilling was a child of his second...
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  • Thumbnail for Burckhardt Helferich
    Greifswald. In 1930 he was called by the University of Leipzig to succeed Arthur Hantzsch as director of the Chemistry Institute from 1930 to 1945. Helferich...
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  • Thumbnail for Alfred Thiele
    1927 Springender Hengst, Bronze auf Holzsockel 1927 Porträtrelief Arthur Hantzsch, Bronze 1928 Laufendes Dromedar, Bronze auf Marmorplinthe 1928 Bildnisköpfe...
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  • Thumbnail for Traugott Sandmeyer
    followed, but then returned to Zürich after a year to work with Arthur Rudolf Hantzsch. Sandmeyer began his career in industry in 1888 with Johann Rudolf...
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  • Thumbnail for Friedrich Bergius
    years. His thesis on sulfuric acid as solvent was supervised by Arthur Rudolf Hantzsch.[citation needed] In 1909 Bergius worked for one semester with Fritz...
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  • Thumbnail for Alfred Werner
    Scientific career Fields Inorganic chemistry Institutions University of Zurich Doctoral advisor Arthur Rudolf Hantzsch, Marcellin Berthelot[citation needed]...
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  • Thumbnail for Pyridine
    synthesis of pyridine derivatives was described in 1881 by Arthur Rudolf Hantzsch. The Hantzsch pyridine synthesis typically uses a 2:1:1 mixture of a β-keto...
    76 KB (7,667 words) - 19:03, 15 September 2024
  • Fellowship he went to the University of Leipzig to study under Arthur Rudolf Hantzsch for his doctoral thesis (1907–1910). He was awarded a Ph.D. He received...
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  • Thumbnail for Karl Landsteiner
    Hermann Emil Fischer, in München, Eugen Bamberger and in Zürich under Arthur Rudolf Hantzsch. He had a number of publications from that period, some of them...
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  • "Derivatives of mesitylene". Proceedings of the Chemical Society. 15: 22. "Hantzsch, Arthur Rudolf". Encyclopedia.com. Retrieved 29 July 2020. Mills, W H; Bain...
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  • principle or Hammond postulate Hantzsch pyrrole synthesis Hantzsch dihydropyridine synthesis, Hantzsch pyridine synthesis Hantzsch pyridine synthesis, Gattermann–Skita...
    38 KB (3,423 words) - 21:05, 20 August 2024
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    Field Fletcher Frobisher's Farthest Gabriel Gardiner Gay Gross Halford Hantzsch Harper Hill Jenvey Kodlunarn Kudlago Kungo Lefferts Leopold Loks Land Long...
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  • Gottlob Hammer (1779–1864) Alois Hanslian (born 1943) Johann Gottlieb Hantzsch (1794–1848) Heinrich Harder (1858–1935) Fritz Harnest (1905–1999) Hans...
    45 KB (5,056 words) - 01:27, 6 October 2024
  • Thumbnail for Timeline of European exploration
    Pole—the former is a fraud, the latter widely doubted. 1910–11 – Bernhard Hantzsch crosses Baffin Island from Cumberland Sound to the Koukdjuak River, exploring...
    108 KB (10,893 words) - 01:45, 20 August 2024
  • (1953). "The colorimetric estimation of formaldehyde by means of the Hantzsch reaction". Biochemical Journal. 55 (3): 416–421. doi:10.1042/bj0550416...
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  • Mihkel Härms – Estonia Yngvar Hagen – Norway Pat Hall – England Bernhard Hantzsch – Germany Edward Hargitt – Scotland Herbert Hastings Harington – British...
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  • Thumbnail for Bischofswerda
    Statistisches Landesamt des Freistaates Sachsen. 2024. Unfug, von Regina, Hantzsch; Stadtbilder aus Bischofswerda, Leiziger Verlagsgesellschaft, Leipzig,...
    11 KB (1,094 words) - 09:37, 20 August 2024