nitrilium
Any cation formed by protonation of a nitrile; R-C≡NH or R-C=NH

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  • Nitrilium — The general structures of nitrilium ions A nitrilium ion is a nitrile that has been protonated, [RCNH]+, or alkylated, [RCNR′]+.[1] Synthesis Nitriles are only weakly basic …   Wikipedia

  • nitrilium salt — nitrilio druska statusas T sritis chemija formulė Formulę žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. nitrilium salt rus. нитрилиевая соль …   Chemijos terminų aiškinamasis žodynas

  • Nitrilium-Ion — Ni|t|ri|li|um Ion [↑ Nitril u. ↑ ium (2)]: aus einem Nitril durch Aufnahme eines Protons entstandenes Kation, z. B. Benzonitrilium (H5C6 CᆖN+H). Zwitterionische Verb. der Art R CᆖN+ Y‒ werden Nitriliumbetaine genannt …   Universal-Lexikon

  • Nitrile ylide — Nitrile ylides also known as nitrilium ylides, or nitrilium methylides are generally reactive intermediates. [1] Usually, they cannot be isolated. However, a structure has been determined on a particularly stable nitrile ylide by X ray… …   Wikipedia

  • Onium compounds — are cations derived by the protonation of mononuclear parent hydrides of elements of the nitrogen group (Group 15), chalcogens (Group 16), or halogens (Group 17), and similar cations derived by the substitution of hydrogen atoms in the former by… …   Wikipedia

  • Beckmann rearrangement — The Beckmann rearrangement, named after the German chemist Ernst Otto Beckmann (1853–1923), is an acid catalyzed rearrangement of an oxime to an amide. [cite journal author= E. Beckmann title = Zur Kenntniss der Isonitrosoverbindungen journal =… …   Wikipedia

  • Bischler-Napieralski-Reaktion — Die Bischler Napieralski Reaktion ist eine Reaktion aus dem Bereich der Organischen Chemie, welche der Herstellung von Heterocyclen dient. Sie ist nach ihren Entdeckern, den Chemikern August Bischler und Bernard Napieralski (ehemals tätig an der… …   Deutsch Wikipedia

  • Nitrile — This article is about the group of organic compounds. For the synthetic rubber product, see Nitrile rubber. The structure of the nitrile group A nitrile is any organic compound that has a C≡N functional group.[1] …   Wikipedia

  • Passerini reaction — The Passerini reaction is a chemical reaction involving an isocyanide, an aldehyde (or ketone), and a carboxylic acid to form a α acyloxy amide. [Passerini, M.; Simone, L. Gazz. Chim. Ital. 1921, 51 , 126 129.] [Passerini, M.; Ragni, G. Gazz.… …   Wikipedia

  • Ugi reaction — The Ugi reaction is a multi component reaction in organic chemistry involving a ketone or aldehyde, an amine, an isocyanide and a carboxylic acid to form a bis amide. [cite journal | author = Ugi, I; Meyr, R.; Fetzer, U.; Steinbrückner, C. title …   Wikipedia

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