Highly efficient absorption of methyl tert-butyl ether with ionic liquids

Author(s):  
Min Chen ◽  
Chengna Dai ◽  
Gangqiang Yu ◽  
Ning Liu ◽  
Ruinian Xu ◽  
...  
2014 ◽  
Vol 79 (11) ◽  
pp. 1337-1346 ◽  
Author(s):  
Reza Alamdari ◽  
Faezeh Zamani ◽  
Negar Zekri

A novel series of sulfonic acid-functionalized ionic liquids (SFILs) was found to act as efficient catalysts for ortho-tert-butylation of p-cresol with methyl tert-butyl ether (MTBE) as the tert-butylating agent without an added solvent. The mono o-tert-butylated product was obtained in up to 80.4% isolated yield and 95.2% selectivity under such green conditions. No O-tert-butylated byproducts were formed.


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