期刊
SYNTHETIC COMMUNICATIONS
卷 38, 期 15, 页码 2646-2654出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397910802219569
关键词
coumarins; ionic liquids; pachmann condensation; recyclability
资金
- Bristol Myers Squibb
- American Chemical Society SEED
The synthesis of coumarin derivatives via Pechmann reaction using anhydrous FeCl3 as Lewis acid catalyst in ionic liquid medium has been carried out. The best results were obtained (yields as high as 89%) with ionic liquids having bis(triflic)imide as a counteranion. The ionic liquid could easily be recovered and reused.
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