Ludwig Knorr (2 December 1859 – 4 June 1921) was a German chemist. Together with Carl Paal, he discovered the Paal–Knorr synthesis, and the Knorr quinoline...
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Paal and Ludwig Knorr in 1884 as a method for the preparation of furans, and has been adapted for pyrroles and thiophenes. Although the Paal–Knorr synthesis...
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Hindenburg disaster (redirect from Ludwig Felber)
Hoehling's claim that Chief Steward Heinrich Kubis told him the Chief Rigger Ludwig Knorr noticed damage of Cell 4 shortly before the disaster. Rumors that the...
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The Knorr pyrrole synthesis is a widely used chemical reaction that synthesizes substituted pyrroles (3). The method involves the reaction of an α-amino-ketone...
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ammonia- or fish-like odor. The naming of morpholine is attributed to Ludwig Knorr, who incorrectly believed it to be part of the structure of morphine...
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several countries either as an over-the-counter or prescribed drug. Ludwig Knorr was the first to synthesize phenazone, then called antipyrine, in the...
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Karen Knorr, American photographer Karin Knorr Cetina (born 1944), Austrian sociologist Ludwig Knorr (1859–1921), German chemist Martin J. Knorr (1906–1989)...
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cover up the loss of the knife, Boerth steals a knife from fellow rigger Ludwig Knorr. Vogel starts to work behind Ritter's back, arresting Boerth and confiscating...
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Domac 1877 1950 1880 Phenazone, "the mother of modern Antipyretics" Ludwig Knorr 1880 1880 1885 Ephedrine Nagai Nagayoshi 1885 1885 1890 Benzocaine August...
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term pyrazole was given to this class of compounds by German Chemist Ludwig Knorr in 1883. In a classical method developed by German chemist Hans von Pechmann...
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continued to give the final product of 4-hydroxyquinoline. However, Ludwig Knorr observed that under higher temperatures (approximately 140 °C) the aniline...
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an academic appointment, first working as an independent assistant to Ludwig Knorr at the University of Jena between 1892 and 1894.: 32 During his time...
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(ARA-4-AA). Metamizole likely induces the CYP2B6 and CYP3A4 enzymes. Ludwig Knorr was a student of Emil Fischer who won the Nobel Prize for his work on...
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2-hydroxyquinoline using sulfuric acid. This reaction was first described by Ludwig Knorr (1859–1921) in 1886 The reaction is a type of electrophilic aromatic...
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substituents. The first synthesis of pyrazolones was reported in 1883 by Ludwig Knorr, via a condensation reaction between ethyl acetoacetate and phenylhydrazine...
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Baeyer Friedrich August Kekulé[citation needed] Doctoral students Alfred Stock Otto Diels Otto Ruff Walter A. Jacobs Ludwig Knorr Oskar Piloty Julius Tafel...
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system. Aminophenazone was first synthesized by Friedrich Stolz and Ludwig Knorr in the late nineteenth century, and sold as an anti-fever medicine known...
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studied chemistry at the University of Jena, where he was a student of Ludwig Knorr. In 1900 he became an associate professor in organic chemistry at the...
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1883: Claus process by Carl Friedrich Claus 1884: Paal–Knorr synthesis by Carl Paal and Ludwig Knorr 1885–1886: Discovery of germanium by Clemens Winkler...
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Berlin and later Jena where he studied tautomerism of diketones under Ludwig Knorr. He then went to Berlin to study under his father and was involved in...
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Physics. Ludwig Knorr: Chemist, who together with Carl Paal, discovered the Paal-Knorr synthesis, and the Knorr quinoline synthesis and Knorr pyrrole synthesis...
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Ludwig Wilhelm Erhard (German: [ˈluːtvɪç ˈʔeːɐ̯haʁt]; 4 February 1897 – 5 May 1977) was a German politician and economist affiliated with the Christian...
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Pyrrole (section Knorr pyrrole synthesis)
Chemischen Gesellschaft. 35 (2): 1537–1544. doi:10.1002/cber.19020350263. Knorr, Ludwig (1884). "Synthese von Pyrrolderivaten" [Synthesis of pyrrole derivatives]...
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Heinrich Klaproth Fritz Klatte Friedrich Ludwig Knapp Friedrich Knauer Emil Knoevenagel Wilhelm Knop Ludwig Knorr Julius Arnold Koch Christoph Kohl Hermann...
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to the United States 600,000 tons of confiscated German ships. Died: Ludwig Knorr, 61, German chemist and co-developer of Aspirin A treaty was signed between...
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in 1907. He then worked at the University of Jena in 1908–1909 with Ludwig Knorr and University of Geneva 1910–1911 with P.A. Guye before returning to...
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OH group in the molecule. It was long after the death of Geuther when Ludwig Knorr, Geuthers successor at the University of Jena, solved the riddle proving...
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Erschallt (Verlag Knorr & Hirth, 1934) Im gleichen Schritt und Tritt (Verlag Knorr & Hirth, 1934) Stolz weht die Flagge (Verlag Knorr & Hirth, 1934) Gefiederte...
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assistant to Wilhelm Pfeffer at the University of Leipzig and under Ludwig Knorr in Jena. From 1915 to 1952 he worked as a chemist at Bayer in Wuppertal-Elberfeld...
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Wieck, Julius Knorr and his close friend Ludwig Schuncke. Its first issue appeared on 3 April 1834. Although the first editor was Julius Knorr, most of the...
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