TY - JOUR ID - 13464 TI - Tandem Synthesis of 2,3,4,5-Tetrasubstituted Pyrroles from Aromatic Aldehydes Using Diethylene Glycol-bis(3-methylimidazolium) Dihydroxide as an Efficient Catalyst JO - Organic Chemistry Research JA - ORG.CHEM LA - en SN - AU - Niknam, Khodabakhsh AU - Khataminejad, Mohsen AD - Persian Gulf University Y1 - 2016 PY - 2016 VL - 2 IS - 1 SP - 9 EP - 19 KW - Ionic Liquids KW - Pyrroles KW - Sequential process synthesis KW - Aromatic aldehydes KW - Catalyst DO - 10.22036/org.chem..2016.13464 N2 - 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. UR - https://www.orgchemres.org/article_13464.html L1 - https://www.orgchemres.org/article_13464_0d09fdba3791c34c6e4443283c269568.pdf ER -