rearrangement
101Lossen rearrangement — The Lossen rearrangement is the chemical reaction of a hydroxamic acid 1 with a dehydration agent (such as tosyl chloride) to form the O derivative 2, which spontaneously rearranges to form an isocyanate 3.Ref|Lossen1872Ref|Lossen1874Several… …
102Fischer-Hepp rearrangement — The Fischer Hepp rearrangement is a rearrangement reaction in which an aromatic N nitroso or nitrosamine converts to a carbon nitroso compound: [ O Fischer, E Hepp. Ber Deutsch chem Ges 19 (1886) p2991] [ M B Smith, J March. March s Advanced… …
103Meyer-Schuster rearrangement — The Meyer Schuster rearrangement is the chemical reaction described as an acid catalyzed rearrangement of propargyl alcohols to α,β unsaturated ketones.Ref|Meyer1922Ref|Swaminathan1971Ref|Vartanyan1967Acid catalysts can include acetic acid,… …
104Tree rearrangement — Tree rearrangements are used in heuristic algorithms devoted to searching for an optimal tree structure. They can be applied to any set of data that are naturally arranged into a tree, but have most applications in computational phylogenetics,… …
105Hayashi rearrangement — The Hayashi rearrangement is the chemical reaction of ortho benzoylbenzoic acids catalyzed by sulfuric acid or phosphorus pentoxide. [cite journal title = A new isomerism of halogenohydroxybenzoyltoluic acids author = Mosuke Hayashi journal =… …
106Willgerodt rearrangement — The Willgerodt rearrangement or Willgerodt reaction is an organic reaction converting an aryl alkyl ketone to the corresponding amide by reaction with ammonium polysulfide, named after Conrad Willgerodt. [Willgerodt, Ber., 20, 2467 (1887); 21,… …
107Skattebøl rearrangement — The Skattebøl rearrangement is an organic reaction for converting a geminal dihalo cyclopropane to an allene using an organolithium base [ Chemistry of gem Dihalocyclopropanes. V.1 Formation of Tricyclo [4.1.0.04,6] heptane and Derivatives Lars… …
108Vinylcyclopropane rearrangement — The vinylcyclopropane rearrangement is a ring expansion reaction, converting a vinyl substituted cyclopropane ring into a cyclopentene ring:It is often classified as a sigmatropic rearrangement, though the special properties of the cyclopropane… …
109Theoreme de rearrangement de Riemann — Théorème de réarrangement de Riemann En mathématiques, le théorème de réarrangement de Riemann est un théorème, nommé en l honneur du mathématicien Bernhard Riemann, d après lequel si une série à valeurs réelles est semi convergente, alors on… …
110semipinacol rearrangement — noun A rearrangement involving a carbocation with a hydroxy group adjacent to the electron deficient centre. See Also: pinacol rearrangement …
