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- Title
Visible-Light-Induced Formal [3+2] Cycloaddition for Pyrrole Synthesis under Metal-Free Conditions.
- Authors
Xuan, Jun; Xia, Xu-Dong; Zeng, Ting-Ting; Feng, Zhu-Jia; Chen, Jia-Rong; Lu, Liang-Qiu; Xiao, Wen-Jing
- Abstract
A photocatalytic formal [3+2] cycloaddition of 2 H-azirines with alkynes has been achieved under irradiation by visible light in the presence of organic dye photocatalysts. This transformation provides efficient access to highly functionalized pyrroles in good yields and has been applied to the synthesis of drug analogues. A primary trial of photocascade catalysis merging energy transfer and redox neutral reactions was shown to be successful.
- Subjects
RING formation (Chemistry); DYES &; dyeing; PHOTOCATALYSTS; HETEROCYCLIC compounds; PYRROLES
- Publication
Angewandte Chemie International Edition, 2014, Vol 53, Issue 22, p5653
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201400602