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  2. Rearrangement reaction - Wikipedia

    en.wikipedia.org/wiki/Rearrangement_reaction

    A 1,2-rearrangement is an organic reaction where a substituent moves from one atom to another atom in a chemical compound. In a 1,2 shift the movement involves two adjacent atoms but moves over larger distances are possible. Skeletal isomerization is not normally encountered in the laboratory, but is the basis of large applications in oil ...

  3. Sigmatropic reaction - Wikipedia

    en.wikipedia.org/wiki/Sigmatropic_reaction

    The Carroll rearrangement is a rearrangement reaction in organic chemistry and involves the transformation of a β-keto allyl ester into a α-allyl-β-ketocarboxylic acid. [18] This organic reaction is accompanied by decarboxylation and the final product is a γ,δ-allylketone.

  4. Organic reaction - Wikipedia

    en.wikipedia.org/wiki/Organic_reaction

    Organic reactions can be categorized based on the type of functional group involved in the reaction as a reactant and the functional group that is formed as a result of this reaction. For example, in the Fries rearrangement the reactant is an ester and the reaction product an alcohol .

  5. List of organic reactions - Wikipedia

    en.wikipedia.org/wiki/List_of_organic_reactions

    Corey–Winter reaction; Cornforth rearrangement; Coupling reaction; Crabbé reaction; Craig method; Cram's rule of asymmetric induction; Creighton process; Criegee reaction; Criegee rearrangement; Cross metathesis; Crum Brown–Gibson rule; Curtius degradation; Curtius rearrangement, Curtius reaction; Cyanohydrin reaction

  6. Allylic rearrangement - Wikipedia

    en.wikipedia.org/wiki/Allylic_rearrangement

    An allylic rearrangement or allylic shift is an organic chemical reaction in which reaction at a center vicinal to a double bond causes the double bond to shift to an adjacent pair of atoms: It is encountered in both nucleophilic and electrophilic substitution , although it is usually suppressed relative to non-allylic substitution.

  7. Hofmann rearrangement - Wikipedia

    en.wikipedia.org/wiki/Hofmann_rearrangement

    The Hofmann rearrangement (Hofmann degradation) is the organic reaction of a primary amide to a primary amine with one less carbon atom. [1] [2] [3] The reaction involves oxidation of the nitrogen followed by rearrangement of the carbonyl and nitrogen to give an isocyanate intermediate.

  8. Ring expansion and contraction - Wikipedia

    en.wikipedia.org/wiki/Ring_expansion_and_contraction

    Ring expansion and ring contraction reactions expand or contract rings, usually in organic chemistry. The term usually refers to reactions involve making and breaking C-C bonds, [1] Diverse mechanisms lead to these kinds of reactions. The bond migration step of the pinacol type rearrangement

  9. 1,2-rearrangement - Wikipedia

    en.wikipedia.org/wiki/1,2-rearrangement

    A 1,2-rearrangement or 1,2-migration or 1,2-shift or Whitmore 1,2-shift [1] is an organic reaction where a substituent moves from one atom to another atom in a chemical compound. In a 1,2 shift the movement involves two adjacent atoms but moves over larger distances are possible.