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

One-pot Preparation of 2,4,5-Trisubstituted and 1,2,4,5-Tetrasubstituted Imidazoles Using Poly(4-vinylpyridinium Butane Sulfonic Acid) Hydrogen Sulfate, as an Efficient Heterogeneous Poly(ionic Liquid) Solid Acid Catalyst under Solvent-free Conditions abstract

One-pot preparation of 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted imidazoles has been conducted in the presence of poly(4-vinylpyridinium butane sulfonic acid) hydrogen sulfate, P(4VPBSA)HSO4, 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.

Solvent-free , Substituted imidazoles , Poly(ionic liquid) , Benzil , Multicomponent reaction

Seyyed Jafar Saghanezhad

Production Technology Institute of ACECR

Alireza Kiasat

Chemistry Department, College of Science, Shahid Chamran University, Ahvaz ۶۱۳۵۷-۴-۳۱۶۹, Iran

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JR_ORGC-2-1_007

Index date: 25 September 2023

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Saghanezhad, Seyyed Jafar and Kiasat, Alireza,1395,One-pot Preparation of 2,4,5-Trisubstituted and 1,2,4,5-Tetrasubstituted Imidazoles Using Poly(4-vinylpyridinium Butane Sulfonic Acid) Hydrogen Sulfate, as an Efficient Heterogeneous Poly(ionic Liquid) Solid Acid Catalyst under Solvent-free Conditions,https://civilica.com/doc/1766360

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