Tandem Synthesis of ۲,۳,۴,۵-Tetrasubstituted Pyrroles from Aromatic Aldehydes Using Diethylene Glycol-bis(۳-methylimidazolium) Dihydroxide as an Efficient Catalyst
Publish place: Organic Chemistry Research، Vol: 2، Issue: 1
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ORGC-2-1_002
تاریخ نمایه سازی: 3 مهر 1402
Abstract:
A sequential process strategy was introduced for the synthesis of ۲,۳,۴,۵-tetrasubstituted pyrroles by the formation of benzoin from the corresponding aromatic aldehyde and followed by condensation reaction with ۱,۳-dicarbonyl compounds and ammonium acetate in the presence of diethylene glycol-bis(۳-methylimidazolium) dihydroxide as catalyst in refluxing ethanol. The recycled catalyst could be reused four times without appreciable loss in the catalytic activity.
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Authors
Khodabakhsh Niknam
Persian Gulf University
Mohsen Khataminejad
Persian Gulf University