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Manganese(II)/Picolinic Acid Catalyst System for Epoxidation of Olefins.
- Source :
-
Organic letters [Org Lett] 2016 Jun 03; Vol. 18 (11), pp. 2528-31. Date of Electronic Publication: 2016 May 18. - Publication Year :
- 2016
-
Abstract
- An in situ generated catalyst system based on Mn(CF3SO3)2, picolinic acid, and peracetic acid converts an extensive scope of olefins to their epoxides at 0 °C in <5 min, with remarkable oxidant efficiency and no evidence of radical behavior. Competition experiments indicate an electrophilic active oxidant, proposed to be a high-valent Mn = O species. Ligand exploration suggests a general ligand sphere motif contributes to effective oxidation. The method is underscored by its simplicity and use of inexpensive reagents to quickly access high value-added products.
Details
- Language :
- English
- ISSN :
- 1523-7052
- Volume :
- 18
- Issue :
- 11
- Database :
- MEDLINE
- Journal :
- Organic letters
- Publication Type :
- Academic Journal
- Accession number :
- 27191036
- Full Text :
- https://doi.org/10.1021/acs.orglett.6b00518