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Phosphine‐Catalyzed Intermolecular Annulations of Fluorinated ortho‐Aminophenones with Alkynones – The Switchable [4+2] or [4+2]/[3+2] Cycloaddition.
- Source :
-
Advanced Synthesis & Catalysis . 4/23/2019, Vol. 361 Issue 9, p2129-2135. 7p. - Publication Year :
- 2019
-
Abstract
- A phosphine‐catalyzed intermolecular annulation reaction of functionalized ortho‐aminoacetophenones with alkynones has been disclosed in this paper. A variety of 2‐alkynylquinolines and benzo‐fused indolizine were selectively afforded in moderate to good yields at different reaction temperatures and with different phosphine catalysts via the in situ generated zwitterionic intermediate derived from alkynone and phosphine. [ABSTRACT FROM AUTHOR]
- Subjects :
- *ANNULATION
*RING formation (Chemistry)
*CHEMICAL yield
*CATALYSTS
Subjects
Details
- Language :
- English
- ISSN :
- 16154150
- Volume :
- 361
- Issue :
- 9
- Database :
- Academic Search Index
- Journal :
- Advanced Synthesis & Catalysis
- Publication Type :
- Academic Journal
- Accession number :
- 136021322
- Full Text :
- https://doi.org/10.1002/adsc.201900082