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[5+2] Cycloaddition of 2-(2-Aminoethyl)oxiranes with Alkynes via Epoxide Ring-Opening: A Facile Access to Azepines.
- Source :
-
Angewandte Chemie . 8/22/2016, Vol. 128 Issue 35, p10579-10582. 4p. - Publication Year :
- 2016
-
Abstract
- A new FeCl3 and BF3⋅OEt2 co-catalyzed tandem hetero-[5+2] cycloaddition of 2-(2-aminoethyl)oxiranes with a wide range of alkynes, including terminal alkynes and alkyl-substituted internal alkynes is presented. This is the first example of rapid and facile production of diverse 2,3-dihydro-1 H-azepines through a sequence of epoxide ring-opening, annulation, and dehydroxylation with broad substrate scope and exquisite selectivity control. [ABSTRACT FROM AUTHOR]
- Subjects :
- *CATALYSIS
*RING formation (Chemistry)
*ALKYNES
*ANNULATION
*CHEMICAL reactions
Subjects
Details
- Language :
- English
- ISSN :
- 00448249
- Volume :
- 128
- Issue :
- 35
- Database :
- Academic Search Index
- Journal :
- Angewandte Chemie
- Publication Type :
- Academic Journal
- Accession number :
- 117484604
- Full Text :
- https://doi.org/10.1002/ange.201604679