Sulfonic acid-functionalized mesoporous silica (SBA-Pr-SO3H) as solid acid catalyst in organic reactions

GM Ziarani, N Lashgari, A Badiei - Journal of Molecular Catalysis A …, 2015 - Elsevier
Mesoporous silica SBA-15 has been functionalized with sulfonic acid to create highly
powerful heterogeneous solid acid catalysts (SBA-Pr-SO 3 H). The catalyst can be easily …

Nanoporous silica-supported organocatalyst: a heterogeneous and green hybrid catalyst for organic transformations

S Rostamnia, E Doustkhah - RSC advances, 2014 - pubs.rsc.org
Organically modified hybrid silica mesostructures are becoming increasingly promising
candidates as catalysts for various kinds of organic reactions and green chemistry. Organic …

Biguanides: Species with versatile therapeutic applications

D Kathuria, AD Raul, P Wanjari, PV Bharatam - European Journal of …, 2021 - Elsevier
Biguanides are compounds in which two guanidine moieties are fused to form a highly
conjugated system. Biguanides are highly basic and hence they are available as salts …

Preparation of Fe3O4@ Carrageenan-Metformin nanoparticles as a new bio-inspired magnetic nanocatalyst for the synthesis of dihydropyrano [2, 3-c] pyrazoles

F Heydari, M Bakhtiarian, MM Khodaei - Materials Science and …, 2023 - Elsevier
Abstract k-Carrageenan (Carr) is a significant constituent of red seaweeds with benign
nature and easy modification due to available sulfate and hydroxyl functionalities. The …

Synthesis and characterization of mesoporous silica SBA-15 functionalized by mono-, di-, and tri-amine and its catalytic behavior towards Michael addition

A Hakiki, B Boukoussa, HH Zahmani… - Materials Chemistry and …, 2018 - Elsevier
This paper focuses on the preparation of amine-functionalized-mesoporous silica SBA-15
using the post-synthesis method. Several aminosilanes containing mono-, di-and tri-amine …

Graphene based material as a base catalyst for solvent free Aldol condensation and Knoevenagel reaction at room temperature

SM Islam, AS Roy, RC Dey, S Paul - Journal of Molecular Catalysis A …, 2014 - Elsevier
Graphene oxide (GO) acts as a highly active heterogeneous base catalyst for a wide variety
of reactions. Here we have described the catalytic activities of GO in the condensation …

A new silica-supported organocatalyst based on L-proline: An efficient heterogeneous catalyst for one-pot synthesis of spiroindolones in water

A Khalafi-Nezhad, ES Shahidzadeh, S Sarikhani… - Journal of Molecular …, 2013 - Elsevier
A simple and practical synthetic strategy for the synthesis of a novel silica-supported
organocatalyst system based on L-proline (SSLP) has been developed. First, silica was …

“What's in a structure?” The story of biguanides

D Kathuria, AA Bankar, PV Bharatam - Journal of Molecular Structure, 2018 - Elsevier
Biguanides are a very interesting class of molecules which have been extensively studied
for their medicinal applications. The structural and electronic structural aspects of …

Biguanide/Pd (OAc) 2 immobilized on magnetic nanoparticle as a recyclable catalyst for the heterogeneous Suzuki reaction in aqueous media

M Beygzadeh, A Alizadeh, MM Khodaei… - Catalysis …, 2013 - Elsevier
Immobilization of Pd (II) ions on magnetite nanoparticle (MNP) has been simply achieved
through a surface modification of Fe3O4 nanoparticle with a biguanide. This surface …

Palladium nanoparticles supported on an organosuperbase denderon-modified mesoporous SBA-15 as a heterogeneous catalyst in Heck coupling reaction

H Veisi, D Kordestani, AR Faraji - Journal of Porous Materials, 2014 - Springer
An efficient synthetic method for successful synthesis of basic amine denderon on SBA-15
and related Pd (II) complex as a novel catalyst has been developed. This modified …