scholarly journals A novel superparamagnetic powerful guanidine-functionalized γ-Fe2O3 based sulfonic acid recyclable and efficient heterogeneous catalyst for microwave-assisted rapid synthesis of quinazolin-4(3H)-one derivatives in Green media

RSC Advances ◽  
2021 ◽  
Vol 11 (48) ◽  
pp. 29948-29959
Author(s):  
Fateme Haji Norouzi ◽  
Naser Foroughifar ◽  
Alireza Khajeh-Amiri ◽  
Hoda Pasdar
Keyword(s):  
Heterogeneous Catalyst ◽  
Sulfonic Acid ◽  
Condensation Reaction ◽  
Rapid Synthesis ◽  
One Pot ◽  
Green Catalyst ◽  
Microwave Assisted ◽  
One Pot Synthesis ◽  
The One ◽  
Efficient Heterogeneous Catalyst

A novel organic–inorganic nanohybrid superparamagnetic nanocatalyst (γ-Fe2O3@CPTMS–guanidine@SO3H) represents an efficient and green catalyst for the one-pot synthesis of quinazolin-4(3H)-one derivatives via a three-component condensation reaction.

Sulfonic acid-functionalized MIL-101(Cr) as a highly efficient heterogeneous catalyst for one-pot synthesis of 2-amino-4H-chromenes in aqueous medium

RSC Advances ◽  
2016 ◽  
Vol 6 (19) ◽  
pp. 15846-15853 ◽  
Author(s):  
Mrinal Saikia ◽  
Lakshi Saikia
Keyword(s):  
Aqueous Medium ◽  
Heterogeneous Catalyst ◽  
Sulfonic Acid ◽  
One Pot ◽  
Highly Efficient ◽  
One Pot Synthesis ◽  
Efficient Heterogeneous Catalyst

MIL-101(Cr)–SO3H was found to be an active heterogeneous catalyst for one-pot synthesis of 2-amino-4H-chromenes in aqueous medium.

Zirconia Sulfuric Acid: An Efficient Heterogeneous Catalyst for the One-Pot Synthesis of 3,4-Dihydropyrimidinones Under Solvent-Free Conditions

2016 ◽  
Vol 146 (6) ◽  
pp. 1040-1049 ◽  
Author(s):  
Maliheh M. Hosseini ◽  
Eskandar Kolvari ◽  
Nadiya Koukabi ◽  
Maryam Ziyaei ◽  
Mohammad Ali Zolfigol
Keyword(s):  
Sulfuric Acid ◽  
Heterogeneous Catalyst ◽  
Solvent Free ◽  
One Pot ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
The One ◽  
Efficient Heterogeneous Catalyst

scholarly journals Scolecite as an efficient heterogeneous catalyst for the synthesis of 2,4,5-triarylimidazoles

2009 ◽  
Vol 7 (3) ◽  
pp. 550-554 ◽  
Author(s):  
Lakshman Gadekar ◽  
Shivshankar Mane ◽  
Santosh Katkar ◽  
Balasaheb Arbad ◽  
Machhindra Lande
Keyword(s):  
Heterogeneous Catalyst ◽  
Ammonium Acetate ◽  
Environmentally Benign ◽  
One Pot ◽  
Effective Catalyst ◽  
One Pot Synthesis ◽  
Three Component Reaction ◽  
The One ◽  
High Yields ◽  
Efficient Heterogeneous Catalyst

AbstractNatural scolecite has been found as an effective catalyst for the one-pot synthesis of 2,4,5-triarylimidazole derivatives via a three component reaction using benzil or benzoin, aldehydes and ammonium acetate. This method provides several advantages such as being environmentally benign, reusable, possessing high yields with increased variations of the substituents in the product and preparative simplicity.

One-Pot Three-Component Synthesis of 2,4,5-Triaryl-1H-imidazoles in the Presence of a Molecular Sieve Supported Titanium Catalyst under Mild Basic Conditions

Synlett ◽  
2018 ◽  
Vol 30 (01) ◽  
pp. 89-93 ◽  
Author(s):  
Zoltán Hell ◽  
Ágnes Magyar
Keyword(s):  
Heterogeneous Catalyst ◽  
Molecular Sieves ◽  
Molecular Sieve ◽  
Ammonium Acetate ◽  
Condensation Reaction ◽  
Significant Loss ◽  
One Pot ◽  
One Pot Condensation ◽  
The One ◽  
Efficient Heterogeneous Catalyst

A series of 2,4,5-trisubstituted-imidazoles has been synthesized with good to excellent yields by the one-pot condensation reaction of 1,2-dicarbonyl compounds, benzaldehydes, and ammonium acetate in the presence of 4 Å molecular sieves modified with titanium(IV) as an efficient heterogeneous catalyst. The catalyst could be recovered easily and reused without significant loss of activity.

Sign in / Sign up

Export Citation Format

Share Document