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Pericyclic and Photochemical Reactions

pericyclic and photochemical reactions   Named Reactions in Organic Synthesis

Featured pericyclic reactions:
Featured photochemical reactions:


Pericyclic reactions involve the almost simultaneous reorganization of bonding electron pairs through a cyclic transition state that enables products to be formed directly without the formation of an intermediate. In this series, we feature the following pericyclic reactions:


Other named reactions pericyclic reactions include:
  • Carroll rearrangement
  • Claisen rearrangement
  • Cope rearrangement
  • Cornforth rearrangement
  • Meisenheimer rearrangement
  • Oxy-Cope rearrangement
  • Sommelet-Hauser rearrangement
  • Wittig rearrangement

A photochemical reaction occurs when a chemical absorbs energy in the form of light and is transformed into another product. A common example of a photochemical process is plant photosynthesis. Featured in this series are:

Other named photochemical reactions are:
  • Bergman cycloaromatization
  • Curtius rearrangement
  • DeMayo cycloaddition
  • Fries rearrangement
  • Wolff rearrangement
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Other reaction categories:

Electrophilic aromatic substitution

Nucleophilic substitution reactions


Transition metal-catalyzed couplings


Reactions involving carbonyl compounds

Reduction reactions

Rearrangement reactions

Electrophilic addition reactions

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