Homogeneous and heterogeneous catalysts for multicomponent reactions

MJ Climent, A Corma, S Iborra - RSC advances, 2012 - pubs.rsc.org
Organic synthesis performed through multicomponent reactions is an attractive area of
research in organic chemistry. Multicomponent reactions involve more than two starting …

Past, present and future of the Biginelli reaction: a critical perspective.

JS Sandhu - ARKIVOC: Online Journal of Organic …, 2012 - search.ebscohost.com
This review covers up to 2010 and some available references of 2011 of synthetic advances
in the Biginelli reaction, including recent mechanistic advances, new building blocks, new …

Sulfonic acid and ionic liquid functionalized covalent organic framework for efficient catalysis of the Biginelli reaction

BJ Yao, WX Wu, LG Ding, YB Dong - The Journal of Organic …, 2021 - ACS Publications
A quinoline-linked and ionic liquid-decorated covalent organic framework was prepared by
incorporation of a multicomponent Povarov reaction and postsynthetic modification. The …

Rational design of nanostructured copper phosphate nanoflakes supported niobium carbide for the selective electrochemical detection of melatonin

A Santhan, KY Hwa - ACS Applied Nano Materials, 2022 - ACS Publications
In the present study, we have designed a highly conductive electrode material niobium
carbide (NbC) entangled with copper phosphate (Cu3P2O8). The combined features of the …

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 …

A chemical placebo: NaCl as an effective, cheapest, non-acidic and greener catalyst for Biginelli-type 3,4-dihydropyrimidin-2(1H)-ones (-thiones) synthesis

MA Kolosov, VD Orlov, DA Beloborodov… - Molecular diversity, 2009 - Springer
Despite prior reports of several really effective catalytic and non-catalytic approaches
towards Biginelli's 3, 4-dihydropyrimidin-2 (1 H)-ones, an overwhelming number of new …

New magnetic nanocomposites of ZrO 2–Al 2 O 3–Fe 3 O 4 as green solid acid catalysts in organic reactions

A Wang, X Liu, Z Su, H Jing - Catalysis Science & Technology, 2014 - pubs.rsc.org
A series of magnetic solid acid nano-catalysts were designed and prepared through a facile
co-precipitate approach. The original nanocomposites ZrO2–Al2O3–Fe3O4 were …

Brønsted acidic ionic liquid based magnetic nanoparticles: a new promoter for the Biginelli synthesis of 3, 4-dihydropyrimidin-2 (1 H)-ones/thiones

J Safari, Z Zarnegar - New Journal of Chemistry, 2014 - pubs.rsc.org
The Brønsted acidic ionic liquid 1-methyl-3-(3-trimethoxysilylpropyl) imidazolium hydrogen
sulfate was immobilized on magnetic Fe3O4 nanoparticles (MNPs-IL-HSO4). The properties …

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 …

One-pot green procedure for Biginelli reaction catalyzed by novel task-specific room-temperature ionic liquids

F Dong, L Jun, Z Xinli, Y Zhiwen, L Zuliang - Journal of Molecular Catalysis …, 2007 - Elsevier
Cheap and reusable task-specific ionic liquids that bear an alkanesulfonic acid group in an
acyclic trialkylammonium cation were found to be effective catalysts for synthesizing 3, 4 …