The Beckmann rearrangement, named after the German chemist Ernst Otto Beckmann (1853–1923), is a rearrangement of an oxime functional group to substituted...
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The Stieglitz rearrangement is a rearrangement reaction in organic chemistry which is named after the American chemist Julius Stieglitz (1867–1937) and...
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1,3-rearrangements take place over 3 carbon atoms. Examples: the Fries rearrangement a 1,3-alkyl shift of verbenone to chrysanthenone Beckmann rearrangement...
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Lactam (section Beckmann rearrangement)
of lactams. Lactams form by the acid-catalyzed rearrangement of oximes in the Beckmann rearrangement. Lactams form from cyclic ketones and hydrazoic...
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a 1,2-rearrangement: 1,2-Wittig rearrangement Alpha-ketol rearrangement Beckmann rearrangement Benzilic acid rearrangement Brook rearrangement Criegee...
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Oxime (redirect from Tiemann rearrangement)
obtained by Beckmann rearrangement can be transformed into a carboxylic acid by means of hydrolysis (base or acid catalyzed). Beckmann rearrangement is used...
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doi:10.1002/jlac.18751750305. Curtius rearrangement Hofmann rearrangement Schmidt reaction Beckmann rearrangement Gabapentin Wang, Zerong (2010). Comprehensive...
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mono-amide, followed by a Hofmann rearrangement Beckmann rearrangement Curtius rearrangement Iodoform reaction Lossen rearrangement Schmidt reaction Weerman degradation...
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Beckmann rearrangement. Ernst Otto Beckmann was born in Solingen, Germany on July 4, 1853, to a family headed by Johannes Friedrich Wilhelm Beckmann,...
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Otto Beckmann (1853–1923), German chemist and discoverer of the Beckmann rearrangement Friedrich Beckmann (1803–1866), German actor Johann Beckmann (1739–1811)...
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The Neber rearrangement is an organic reaction in which a ketoxime is converted into an alpha-aminoketone via a rearrangement reaction. The oxime is first...
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hydroxylamine to cyclododecanone oxime. The oxime is rearranged to laurolactam in a Beckmann rearrangement in the presence of a strong acid. An alternative...
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Beckmann rearrangement Bergmann degradation Hofmann rearrangement Lossen rearrangement Schmidt reaction Tiemann rearrangement Neber rearrangement Wolff...
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reductions, and rearrangement reactions. When treated with a Lewis acid, oxime methanesulfonates undergo facile Beckmann rearrangement. Methanesulfonates...
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precursor to Nylon 6. The treatment of this oxime with acid induces the Beckmann rearrangement to give caprolactam (3). The latter can then undergo a ring-opening...
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Rearrangement reaction Baker–Venkataraman rearrangement Beckmann rearrangement Benzilic acid rearrangement Brook rearrangement Claisen rearrangement Cope...
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gives 9% E-isomer and 82% Z-isomer. Benzaldehyde oxime undergoes Beckmann rearrangement to form benzamide, catalyzed by nickel salts or photocatalyzed by...
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Retrieved 23 May 2007. Schulenberg, J. W.; Archer, S. (1965). "The Chapman Rearrangement". Org. React. 14: 1–51. doi:10.1002/0471264180.or014.01. ISBN 978-0471264187...
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famous and commercially important reaction of cyclohexanone oxime is Beckmann rearrangement yielding ε-caprolactam, which is used to produce Nylon 6: This reaction...
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Ring expansion and contraction (category Rearrangement reactions)
pinacol rearrangement. While this reaction refers specifically to a vicinal dihydroxide rearrangement, there are other pinacol type rearrangements that proceed...
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with hydroxylamine to a ketoxime, and finally the acid-catalyzed Beckmann rearrangement of the cetoxime to the para-acetylaminophenol product. 4-Aminophenol...
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Schmidt reaction (category Rearrangement reactions)
products; such as lactams and alkaloids. Curtius rearrangement Hofmann rearrangement Lossen rearrangement Plagens, Andreas; Laue, Thomas M. (2005). Named...
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with a tertiary amine group confers greater acid stability. See Beckmann rearrangement. Azalides bind to the bacterial 50S ribosomal subunit and inhibit...
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with acid induces the Beckmann rearrangement to give caprolactam (3): The immediate product of the acid-induced rearrangement is the bisulfate salt of...
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named Meisenheimer complex. He also proposed the mechanism of the Beckmann rearrangement. Later in his career, he reported the synthesis of the pyridine-N-oxide...
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unsaturated carbon, breaking the C=N double bond. Aza-Cope rearrangement Beckmann rearrangement Duff reaction Mannich reaction Pictet-Spengler reaction Stephen...
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compounds, hydrazines, and the Curtius rearrangement), Ernst Otto Beckmann (discoverer of the Beckmann rearrangement), Carl Graebe (discoverer of alizarin)...
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Gawley, R. E. (1988). "The Beckmann Reactions: Rearrangement, Elimination-Additions, Fragmentations, and Rearrangement-Cyclizations". Org. React. 35:...
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degradation). Thionyl chloride has also been used to promote the Beckmann rearrangement of oximes. Thionyl chloride will transform sulfinic acids into sulfinyl...
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phenol, caprolactam, as well as ammonium sulfate generated by the Beckmann rearrangement of cyclohexanone oxime. The company's nylon resins are used in food...
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