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...

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...

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...

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...

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...

Karen Knorr, American photographer Karin Knorr Cetina (born 1944), Austrian sociologist Ludwig Knorr (1859–1921), German chemist Martin J. Knorr (1906–1989)...

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...

wasn't able to separate the salts or isolate any free bases. In 1897 Ludwig Knorr developed the modern industrial route (see below) and separated the products...

continued to give the final product of 4-hydroxyquinoline. However, Ludwig Knorr observed that under higher temperatures (approximately 140 °C) the aniline...

several countries either as an over-the-counter or prescribed drug. Ludwig Knorr was the first to synthesize phenazone, then called antipyrine, in the...

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...

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...

Domac 1877 1950 1880 Phenazone, "the mother of modern Antipyretics" Ludwig Knorr 1880 1880 1885 Ephedrine Nagai Nagayoshi 1885 1885 1890 Benzocaine August...

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...

(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...

substituents. The first synthesis of pyrazolones was reported in 1883 by Ludwig Knorr, via a condensation reaction between ethyl acetoacetate and phenylhydrazine...

system. Aminophenazone was first synthesized by Friedrich Stolz and Ludwig Knorr in the late nineteenth century, and sold as an anti-fever medicine known...

Baeyer Friedrich August Kekulé[citation needed] Doctoral students Alfred Stock Otto Diels Otto Ruff Walter A. Jacobs Ludwig Knorr Oskar Piloty Julius Tafel...

Emil Fischer, Henri Moissan (1907), Emil Fischer (1908), Ludwig Wolff (1911), Ludwig Knorr (1912), Max Bamberger, Josef Maria Eder, Wilhelm Suida, Georg...

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...

Heinrich Klaproth Fritz Klatte Friedrich Ludwig Knapp Friedrich Knauer Emil Knoevenagel Wilhelm Knop Ludwig Knorr Julius Arnold Koch Christoph Kohl Hermann...

Ludwig Wilhelm Erhard (German: [ˈluːtvɪç ˈʔeːɐ̯haʁt]; 4 February 1897 – 5 May 1977) was a German politician and economist affiliated with the Christian...

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...

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...

Chemischen Gesellschaft. 35 (2): 1537–1544. doi:10.1002/cber.19020350263. Knorr, Ludwig (1884). "Synthese von Pyrrolderivaten" [Synthesis of pyrrole derivatives]...

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...

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...

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...

Physics. Ludwig Knorr: Chemist, who together with Carl Paal, discovered the Paal-Knorr synthesis, and the Knorr quinoline synthesis and Knorr pyrrole synthesis...

April – August Scherl, German newspaper magnate (born 1849) 4 June – Ludwig Knorr, German chemist (born 1859) 29 June –Otto Seeck, German classical historian...