%0 Journal Article %T Tandem Synthesis of 2,3,4,5-Tetrasubstituted Pyrroles from Aromatic Aldehydes Using Diethylene Glycol-bis(3-methylimidazolium) Dihydroxide as an Efficient Catalyst %J Organic Chemistry Research %I Iranian Chemical Society %Z 2383-242X %A Niknam, Khodabakhsh %A Khataminejad, Mohsen %D 2016 %\ 03/01/2016 %V 2 %N 1 %P 9-19 %! Tandem Synthesis of 2,3,4,5-Tetrasubstituted Pyrroles from Aromatic Aldehydes Using Diethylene Glycol-bis(3-methylimidazolium) Dihydroxide as an Efficient Catalyst %K Ionic Liquids %K Pyrroles %K Sequential process synthesis %K Aromatic aldehydes %K Catalyst %R 10.22036/org.chem..2016.13464 %X 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. %U https://www.orgchemres.org/article_13464_0d09fdba3791c34c6e4443283c269568.pdf