Applications of biological urea-based catalysts in chemical processes

B Atashkar, MA Zolfigol, S Mallakpour - Molecular Catalysis, 2018 - Elsevier
The present critical review outlines the close relationship and mutual interplay between
molecular recognition, active site considerations in enzyme catalysis involving …

Eco-friendly functionalization of magnetic halloysite nanotube with SO3H for synthesis of dihydropyrimidinones

A Maleki, Z Hajizadeh, R Firouzi-Haji - Microporous and Mesoporous …, 2018 - Elsevier
In this work, the preparation of a new magnetic nanocomposite Fe 3 O 4-halloysite-SO 3 H
with nanotube morphology decorated by the spherical nanoparticles is reported …

Pyromellitic acid grafted to cross-linked LDH by dendritic units: An efficient and recyclable heterogeneous catalyst for green synthesis of 2, 3-dihydro quinazoline and …

N Ghanbari, H Ghafuri - Heliyon, 2023 - cell.com
In this work, using layered double hydroxide (LDH) inorganic substrate, melamine as
binding agent and dendrimer G1 and also pyromellitic acid (PMA) organic catalytic agent a …

Benzene oxidation in air by an amine-functionalized metal–organic framework-derived carbon-and nitrogen-loaded zirconium dioxide-supported platinum catalyst

K Vikrant, KH Kim, DW Boukhvalov… - … Applied Materials & …, 2024 - ACS Publications
To learn more about the behavior of amine (NH2)-functionalized metal–organic framework
(MOF)-derived noble metal catalysts in the removal of aromatic volatile organic compounds …

Sulfamic acid pyromellitic diamide-functionalized MCM-41 as a multifunctional hybrid catalyst for melting-assisted solvent-free synthesis of bioactive 3, 4 …

E Valiey, MG Dekamin, Z Alirezvani - Scientific Reports, 2021 - nature.com
This study introduces a practical approach to fabricate a novel hybrid acidic catalyst, namely
sulfamic acid pyromellitic diamide-functionalized MCM-41 (MCM-41-APS-PMDA-NHSO3H) …

Sulfonated highly ordered mesoporous graphitic carbon nitride as a super active heterogeneous solid acid catalyst for Biginelli reaction

MAD Fard, H Ghafuri, A Rashidizadeh - Microporous and Mesoporous …, 2019 - Elsevier
Abstract Development of new eco-friendly organocatalysis is a fundamental field in the
construction of sustainable future through the pursuit of greener chemical processes. Among …

Synthesis and characterization of ZrO2-loaded rice husk ash-derived MCM-41 nanocomposites for boron adsorption from wastewater

SF Hassan, KS Lin, NV Mdlovu, SS Dwitya… - Journal of …, 2024 - Elsevier
Boron is essential for both plants and humans; however, it is toxic at high concentrations.
Silica based composites can remove boron from wastewater. The potential of rice husk ash …

12‐Tungstosilicic Acid H4[W12SiO40] Over Natural Bentonite as a Heterogeneous Catalyst for the Synthesis of 3,4‐dihydropyrimidin‐2(1H)‐Ones

LV Chopda, PN Dave - ChemistrySelect, 2020 - Wiley Online Library
Regionally available bentonite was modified by using heteropolyacid 12‐tungstosilicic acid
H4 [W12SiO40](TSA). The prepared 10–30% TSA/bent catalysts were characterized by …

1, 3, 5-Tris (2-hydroxyethyl) isocyanurate functionalized graphene oxide: a novel and efficient nanocatalyst for the one-pot synthesis of 3, 4-dihydropyrimidin-2 (1 H) …

MG Dekamin, F Mehdipoor, A Yaghoubi - New Journal of Chemistry, 2017 - pubs.rsc.org
In this research, the preparation, characterization and catalytic application of a novel 1, 3, 5-
tris (2-hydroxyethyl) isocyanurate functionalized graphene oxide (GO–THEIC) nanomaterial …

An efficient and robust heterogeneous mesoporous montmorillonite clay catalyst for the Biginelli type reactions

A Phukan, SJ Borah, P Bordoloi, K Sharma… - Advanced Powder …, 2017 - Elsevier
Three component coupling reactions of aldehyde, β-ketoester (or β-diketone) and urea (or
substituted urea) were carried out by using acid activated montmorillonite clay (AT-Mont.) …