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Ruthenium-catalyzed transfer oxygenative cyclization of α,ω-diynes: unprecedented [2 + 2 + 1] route to bicyclic furans via ruthenacyclopentatriene.
- Source :
-
Journal of the American Chemical Society [J Am Chem Soc] 2012 May 09; Vol. 134 (18), pp. 7660-3. Date of Electronic Publication: 2012 Apr 25. - Publication Year :
- 2012
-
Abstract
- A novel oxygen-atom-transfer process enables the catalytic [2 + 2 + 1] synthesis of bicyclic furans from α,ω-diynes with DMSO. [CpRu(AN)(3)]PF(6) catalyzed the transfer oxygenative cyclization of diynes with aryl terminal groups, while those of diynes with alkyl terminal groups were effectively promoted by the corresponding Cp* complex. A mechanism for bicyclic furan formation via a ruthenacyclopentatriene was proposed on the basis of both experimental and theoretical studies.
Details
- Language :
- English
- ISSN :
- 1520-5126
- Volume :
- 134
- Issue :
- 18
- Database :
- MEDLINE
- Journal :
- Journal of the American Chemical Society
- Publication Type :
- Academic Journal
- Accession number :
- 22515738
- Full Text :
- https://doi.org/10.1021/ja302868s