Coumarin synthesisviaKnoevenagel condensation reaction in 1,1,3,3-N,N,N′,N′-tetramethylguanidinium trifluoroacetate ionic liquid
✍ Scribed by A. Shaabani; R. Ghadari; A. Rahmati; A. H. Rezayan
- Book ID
- 113009563
- Publisher
- Iranian Chemical Society
- Year
- 2009
- Tongue
- English
- Weight
- 106 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1735-207X
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## Abstract magnified image A variety of substituted coumarins have been prepared __via__ an inexpensive and efficient potassium carbonate catalyzed Knoevenagel condensation of salisylaldehydes with acidic methylene compounds in ionic liquid media. 1‐__n__‐Butyl‐3‐methylimidazolium bromide has bee
## Abstract Deuterium isotopologues of the ionic liquid (IL) 1–__n‐__butyl‐3‐methylimidazolium chloride ([C~4~mim]Cl) sequentially labeled on the C‐1″, C‐1′, C‐2′, C‐3′, and C‐4′ positions of the __N__‐alkyl groups were prepared following a strategy that minimizes the number of distinct reactions t