Rearrangement reactions
3,374 reactions: 10 worked examples with a reagent table you can scale, 503 named reactions and 2,861 checked procedures from Organic Syntheses.
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- Ferrier rearrangementRearrangement The Ferrier rearrangement is an organic reaction that involves a nucleophilic substitution reaction combined with an allylic shift in a glycal (a 2,3-unsaturated glycoside).
- Fischer–Hepp rearrangementRearrangement In organic chemistry, the Fischer–Hepp rearrangement is a rearrangement reaction in which an aromatic N-nitroso (−N=O) or secondary nitrosamine (>N−N=O) converts to a carbon nitroso compound.
- Fries rearrangementRearrangement The Fries rearrangement, named for the German chemist Karl Theophil Fries, is a rearrangement reaction of a phenolic ester to a keto phenol.
- Fritsch–Buttenberg–Wiechell rearrangementRearrangement The Fritsch–Buttenberg–Wiechell rearrangement, named for Paul Ernst Moritz Fritsch (1859–1913), Wilhelm Paul Buttenberg, and Heinrich G. Wiechell, is a chemical reaction whereby a 1,1-diaryl-2-bromo-alkene rearranges to a 1,2-diaryl-alkyne by reaction with a strong base such as an alkoxide.
- Gabriel–Colman rearrangementRearrangement The Gabriel–Colman rearrangement is the chemical reaction of a saccharin or phthalimido ester with a strong base, such as an alkoxide, to form substituted isoquinolines.
- Hayashi rearrangementRearrangement The Hayashi rearrangement is the chemical reaction of ortho-benzoylbenzoic acids catalyzed by sulfuric acid or phosphorus pentoxide.
- Hofmann eliminationRearrangement Hofmann elimination is an elimination reaction of an amine to form alkenes.
- Hofmann rearrangementRearrangement The Hofmann rearrangement (Hofmann degradation) is the organic reaction of a primary amide to a primary amine with one less carbon atom.
- Hofmann–Löffler reactionRearrangement In organic chemistry, the Hofmann–Löffler reaction (also referred to as Hofmann–Löffler–Freytag reaction, Löffler–Freytag reaction, Löffler–Hofmann reaction, as well as Löffler's method) is a radical amine cyclization, forming a 5- (or in rare cases, 6-) membered ring.
- Homo-Favorskii rearrangementRearrangement The homo Favorskii rearrangement is the rearrangement of β-halo ketones and cyclobutanones, which in ring systems may yield ring contraction.
- Ireland–Claisen rearrangementRearrangement The Ireland–Claisen rearrangement is a chemical reaction of an allylic ester with strong base to give an γ,δ-unsaturated carboxylic acid.
- Jacobsen rearrangementRearrangement The Jacobsen rearrangement is a chemical reaction, commonly described as the migration of an alkyl group in a sulfonic acid derived from a polyalkyl- or polyhalobenzene.
- Kornblum–DeLaMare rearrangementRearrangement The Kornblum–DeLaMare rearrangement is a rearrangement reaction in organic chemistry in which a primary or secondary organic peroxide is converted to the corresponding ketone and alcohol under acid or base catalysis.
- Lossen rearrangementRearrangement The Lossen rearrangement is the conversion of an acyl hydroxamate to an isocyanate and carboxylic acid side product.
- McLafferty rearrangementRearrangement The McLafferty rearrangement is a fragmentation reaction observed in mass spectrometry of organic molecules in which the parent radical cation splits into daughter radical cation and neutral spin-paired molecule.
- Meisenheimer rearrangementRearrangement In organic chemistry, the Meisenheimer rearrangement is the conversion of a tertiary amine oxide to a alkoxylamine.
- Meyer–Schuster rearrangementRearrangement The Meyer–Schuster rearrangement is the chemical reaction described as an acid-catalyzed rearrangement of secondary and tertiary propargyl alcohols to α,β-unsaturated ketones if the alkyne group is internal and α,β-unsaturated aldehydes if the alkyne group is terminal.
- Mislow–Evans rearrangementRearrangement The Mislow–Evans rearrangement is a name reaction in organic chemistry.
- Mumm rearrangementRearrangement The Mumm rearrangement is an organic reaction and a rearrangement reaction.
- Neber rearrangementRearrangement The Neber rearrangement is an organic reaction in which a ketoxime is converted into an alpha-aminoketone via a rearrangement reaction.
- Newman–Kwart rearrangementRearrangement The Newman–Kwart rearrangement is a type of rearrangement reaction in which the aryl group of an O-aryl thiocarbamate, ArOC(=S)NMe2, migrates from the oxygen atom to the sulfur atom, forming an S-aryl thiocarbamate, ArSC(=O)NMe2.
- Overman rearrangementRearrangement The Overman rearrangement is a chemical reaction that can be described as a Claisen rearrangement of allylic alcohols to give allylic trichloroacetamides through an imidate intermediate.
- Oxy-Cope rearrangementRearrangement In organic chemistry, the oxy-Cope rearrangement is a chemical reaction.
- Payne rearrangementRearrangement The Payne rearrangement is the isomerization, under basic conditions, of 2,3-epoxy alcohols to isomeric 1,2-epoxy alcohols with inversion of configuration.
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