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Paper Information

Journal:   ORGANIC CHEMISTRY RESEARCH   MARCH 2016 , Volume 2 , Number 1; Page(s) 9 To 19.
 
Paper: 

TANDEM SYNTHESIS OF 2, 3, 4, 5-TETRASUBSTITUTED PYRROLES FROM AROMATIC ALDEHYDES USING DIETHYLENE GLYCOL-BIS(3-METHYLIMIDAZOLIUM) DIHYDROXIDE AS AN EFFICIENT CATALYST

 
 
Author(s):  NIKNAM K.*, KHATAMINEJAD M.
 
* DEPARTMENT OF CHEMISTRY, FACULTY OF SCIENCES, PERSIAN GULF UNIVERSITY, BUSHEHR 75169, IRAN
 
Abstract: 

A sequential process strategy was introduced for the synthesis of 2, 3, 4, 5-tetrasubstituted pyrroles by the formation of benzoin from the corresponding aromatic aldehyde and followed by condensation reaction with 1, 3-dicarbonyl compounds and ammonium acetate in the presence of diethylene glycol-bis (3-methylimidazolium) dihydroxide as catalyst in refluxing ethanol. The recycled catalyst could be reused four times without appreciable loss in the catalytic activity.

 
Keyword(s): IONIC LIQUIDS, PYRROLES, SEQUENTIAL PROCESS SYNTHESIS, AROMATIC ALDEHYDES, CATALYST
 
References: 
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