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- Title
Efficient Coupling Reactions of Arylalkynes and Aldehydes Leading to the Synthesis of Enones.
- Authors
Li-Wen Xu; Lyi Li; Chun-Gu Xia; Pei-Qing Zhao
- Abstract
Ionic liquids such as 1-butyl-3-methyl-1H-imidazolium 4-methylbenzenesulfonate (BmimOTs) and its 1-ethyl analogue EmimOTs are novel effective and recyclable media for acid-catalyzed coupling reactions of aromatic alkynes with aldehydes affording (E)-enones (Scheme 4;1, Table) with simple recovery and easy workup due to the absence of volatile organic solvents. This transformation avoids the use of moisture-sensitive and heavy-metal Lewis acids.
- Subjects
ORGANIC compounds; ORGANIC solvents; ACID-base chemistry; FLUIDS
- Publication
Helvetica Chimica Acta, 2004, Vol 87, Issue 12, p3080
- ISSN
0018-019X
- Publication type
Article