478677-80-4Relevant academic research and scientific papers
Friedel-Crafts acylation of indoles in acidic imidazolium chloroaluminate ionic liquid at room temperature
Yeung, Kap-Sun,Farkas, Michelle E,Qiu, Zhilei,Yang, Zhong
, p. 5793 - 5795 (2002)
A practical and convenient protocol has been developed for the acidic 1-ethyl-3-methylimidazolium chloroaluminate ionic liquid (generated from 1-ethyl-3-methylimidazolium chloride (EmimCl) and aluminium chloride (X(AlCl3), mole fraction X=0.67-0.75) promoted Friedel-Crafts acylation of indoles at room temperature. The simple experimental procedure provides 3-substituted indoles in good to high yields with less electron rich indole ring systems.
