hofmann rearrangement
Look at other dictionaries:
Hofmann rearrangement — The Hofmann rearrangement is the organic reaction of a primary amide to a primary amine with one fewer carbon atom. [Hofmann, A. W. v. Ber. 1881, 14 , 2725.] [Wallis, E. S.; Lane, J. F. Org. React. 1949, 3 , 267 306. (Review)] [Shioiri, T. Comp.… … Wikipedia
Hofmann elimination — (also known as exhaustive methylation ) is a process where an amine is reacted to create a tertiary amine and an alkene by treatment with excess methyl iodide followed by treatment with silver oxide, water, and heat [JerryMarch] . :After the… … Wikipedia
Réarrangement d'Hofmann — Le réarrangement d Hofmann est une réaction organique qui transforme un amide primaire non substitué en amine primaire avec une chaine carbonnée plus corte d un atome[1],[2],[3] … Wikipédia en Français
Rearrangement reaction — A rearrangement reaction is a broad class of organic reactions where the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule.[1] Often a substituent moves from one atom to another atom in the same… … Wikipedia
Hofmann-Umlagerung — Bei der Hofmann Umlagerung (auch Hofmann Abbau oder Hofmann Säureamid Abbau) wird ein unsubstituiertes Carbonsäureamid mit Brom Br2 in Gegenwart einer Base in Wasser umgesetzt. Dabei entsteht ein um die Carbonyl Gruppe gekürztes Amin.[1][2][3]… … Deutsch Wikipedia
hofmann reaction — noun or hofmann rearrangement ˈhä]fmən , ˈhȯ], ˈhō] Usage: usually capitalized H Etymology: after August Wilhelm von Hofmann died 1892 German chemist : the conversion of an acid amide RCONH2 to an amine RNH2 with one less carbon atom by… … Useful english dictionary
Hofmann-Martius rearrangement — The Hofmann Martius rearrangement in organic chemistry is a rearrangement reaction converting an N alkylated aniline to the corresponding ortho and / or para aryl alkylated aniline. The reaction requires heat and the catalyst is an acid like… … Wikipedia
Hofmann-Löffler reaction — The Hofmann Löffler reaction or Hofmann Löffler Freytag Reaction is an organic reaction is which a haloamine is converted to a cyclic amine such as a pyrrolidine with heat and an acid [cite journal title = Ueber die Einwirkung des Broms in… … Wikipedia
August Wilhelm von Hofmann — Infobox Scientist name = August Wilhelm von Hofmann caption = August Wilhelm von Hofmann birth date = birth date|1818|4|8|mf=y birth place = Giessen, Germany residence = Germany nationality = German death date = death date and… … Wikipedia
1,2-rearrangement — A 1,2 rearrangement or 1,2 migration or 1,2 shift or Whitmore 1,2 shift cite journal | title = The common basis of molecular rearrangements | first = Frank C. | last = Whitmore | journal = J. Am. Chem. Soc. | date = 1932 | volume = 54 | issue = 8 … Wikipedia
