Catalytic approaches to multicomponent reactions: A critical review and perspectives on the roles of catalysis

BAD Neto, RO Rocha, MO Rodrigues - Molecules, 2021 - mdpi.com
In this review, we comprehensively describe catalyzed multicomponent reactions (MCRs)
and the multiple roles of catalysis combined with key parameters to perform these …

Biginelli reaction: Polymer supported catalytic approaches

RV Patil, JU Chavan, DS Dalal, VS Shinde… - ACS combinatorial …, 2019 - ACS Publications
The Biginelli product, dihydropyrimidinone (DHPM) core, and its derivatives are of immense
biological importance. There are several methods reported as modifications to the original …

Magnetic Silica-Coated Picolylamine Copper Complex [Fe3O4@SiO2@GP/Picolylamine-Cu(II)]-Catalyzed Biginelli Annulation Reaction

S Rezayati, F Kalantari, A Ramazani… - Inorganic …, 2021 - ACS Publications
An efficient and heterogeneous novel magnetic silica-coated picolylaminecopper complex
[Fe3O4@ SiO2@ GP/Picolylamine-Cu (II)] was synthesized, characterized, and employed as …

Facts, presumptions, and myths on the solvent-free and catalyst-free Biginelli reaction. What is catalysis for?

HGO Alvim, TB Lima, AL de Oliveira… - The Journal of …, 2014 - ACS Publications
The current manuscript describes the role and importance of catalysis and solvent effects for
the Biginelli multicomponent reaction. The overwhelming number of new catalysts and …

D-Xylonic acid: a solvent and an effective biocatalyst for a three-component reaction

J Ma, L Zhong, X Peng, R Sun - Green Chemistry, 2016 - pubs.rsc.org
A simple and effective synthesis of 3, 4-dihydropyrimidin-2 (1H)-ones/thiones and their
derivatives from aldehydes, β-dicarbonyl compounds and urea or thiourea using D-xylonic …

Bis(p-sulfoanilino)triazine-functionalized silica-coated magnetite nanoparticles as an efficient and magnetically reusable nano-catalyst for Biginelli-type reaction

H Moghanian, MAB Fard, A Mobinikhaledi… - Research on Chemical …, 2018 - Springer
The preparation of bis (p-sulfoanilino) triazine-functionalized silica-coated magnetite
nanoparticles and their use as a novel magnetically separable nanocatalyst for the synthesis …

Silica functionalized propyl sulfonic acid (SiO2-Pr-SO3H): An efficient catalyst in organic reactions

P Gholamzadeh, GM Ziarani, N Lashgari… - Journal of molecular …, 2014 - Elsevier
Silica gel as an accessible substrate with high surface area can be modified by propyl
sulfonic acid. Silica-functionalized sulfonic acid (SiO 2-Pr-SO 3 H) as a highly efficient …

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 …

Basicity and stability of urea deep eutectic mixtures

SP Simeonov, CAM Afonso - Rsc Advances, 2016 - pubs.rsc.org
The stability and basicity origin of some common urea based deep eutectic
mixtures/solvents (DES) were studied. We have observed an unexpected Hantzsch …

Novel synthesis of dihydropyrimidines for α-glucosidase inhibition to treat type 2 diabetes: In vitro biological evaluation and in silico docking

M Yar, M Bajda, L Shahzadi, SA Shahzad, M Ahmed… - Bioorganic …, 2014 - Elsevier
A convenient and efficient new method has been established for the synthesis of
dihydropyrimidines by inexpensive and non-toxic N-acetyl glycine (NAG) catalysed reaction …