One-pot Preparation of ۲,۴,۵-Trisubstituted and ۱,۲,۴,۵-Tetrasubstituted Imidazoles Using Poly(۴-vinylpyridinium Butane Sulfonic Acid) Hydrogen Sulfate, as an Efficient Heterogeneous Poly(ionic Liquid) Solid Acid Catalyst under Solvent-free Conditions
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_007
تاریخ نمایه سازی: 3 مهر 1402
Abstract:
One-pot preparation of ۲,۴,۵-trisubstituted and ۱,۲,۴,۵-tetrasubstituted imidazoles has been conducted in the presence of poly(۴-vinylpyridinium butane sulfonic acid) hydrogen sulfate, P(۴VPBSA)HSO۴, as an efficient dual acidic catalyst under solvent-free conditions. Reusability of the catalyst, easy work-up procedure, eco-friendly reaction conditions, short reaction times and high yields of the products illustrate the utility of this approach.
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Authors
Seyyed Jafar Saghanezhad
Production Technology Institute of ACECR
Alireza Kiasat
Chemistry Department, College of Science, Shahid Chamran University, Ahvaz ۶۱۳۵۷-۴-۳۱۶۹, Iran