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- Title
Cyclopentene Annulations of Alkene Radical Cations with Vinyl Diazo Species Using Photocatalysis.
- Authors
Sarabia, Francisco J.; Li, Qiankun; Ferreira, Eric M.
- Abstract
Abstract: A direct (3+2) cycloaddition between alkenes and vinyl diazo reagents using either Cr or Ru photocatalysis is described. The intermediacy of a radical cation species enables a nucleophilic interception by vinyl diazo compounds, a departure from their traditional electrophilic behavior. A variety of cyclopentenes are synthesized using this method, and experimental insights implicate a direct cycloaddition instead of a cyclopropanation/rearrangement process.
- Subjects
CYCLOPENTENES; ANNULATION; ALKENES; CATIONS; PHOTOCATALYSIS; DIAZO compounds
- Publication
Angewandte Chemie, 2018, Vol 130, Issue 34, p11181
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201805732