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
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.
Saghanezhad, S. J., & Kiasat, A. (2016). 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. Organic Chemistry Research, 2(1), 57-63. doi: 10.22036/org.chem..2016.13522
MLA
Seyyed Jafar Saghanezhad; Alireza Kiasat. "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". Organic Chemistry Research, 2, 1, 2016, 57-63. doi: 10.22036/org.chem..2016.13522
HARVARD
Saghanezhad, S. J., Kiasat, A. (2016). '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', Organic Chemistry Research, 2(1), pp. 57-63. doi: 10.22036/org.chem..2016.13522
VANCOUVER
Saghanezhad, S. J., Kiasat, A. 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. Organic Chemistry Research, 2016; 2(1): 57-63. doi: 10.22036/org.chem..2016.13522