Copper nanoparticles as inexpensive and efficient catalyst: A valuable contribution in organic synthesis

NK Ojha, GV Zyryanov, A Majee, VN Charushin… - Coordination Chemistry …, 2017 - Elsevier
Copper nanoparticles have been explored as a new class of heterogeneous catalyst in
various chemical transformations. This review surveys the most useful organic …

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 …

H3PW12O40 supported on silica-encapsulated γ-Fe2O3 nanoparticles: a novel magnetically-recoverable catalyst for three-component Mannich-type reactions in …

E Rafiee, S Eavani - Green Chemistry, 2011 - pubs.rsc.org
A new type of magnetically-recoverable catalyst was synthesized by the immobilization of
H3PW12O40 on the surface of silica-encapsulated γ-Fe2O3 nanoparticles. This catalyst was …

Multicomponent reactions in organic synthesis using copper‐based nanocatalysts

D Das - ChemistrySelect, 2016 - Wiley Online Library
Environment‐friendly and comparatively inexpensive copper‐based nanoparticles have
been extensively explored as highly selective catalysts in C− C and C‐heteroatom bond …

Vanadium docked covalent-organic frameworks: An effective heterogeneous catalyst for modified mannich-type reaction

H Vardhan, L Hou, E Yee, A Nafady… - ACS Sustainable …, 2019 - ACS Publications
Accurate and precise control of the transition-metal ions in the docking sites of porous
functional materials especially covalent-organic frameworks (COFs) is a challenging task in …

SnTUD-1: a solid acid catalyst for three component coupling reactions at room temperature

MP Pachamuthu, K Shanthi, R Luque… - Green chemistry, 2013 - pubs.rsc.org
A novel wormhole structured mesoporous material containing tin, SnTUD-1, was prepared
by a direct hydrothermal synthesis method using triethanolamine (TEA) as an organic …

Task-specific ionic liquid incorporating anionic heteropolyacid-catalyzed Hantzsch and Mannich multicomponent reactions. Ionic liquid effect probed by ESI-MS (/MS)

HGO Alvim, GA Bataglion, LM Ramos, AL de Oliveira… - Tetrahedron, 2014 - Elsevier
A task-specific ionic liquid with a Bronsted acid (1-(3-sulfopropyl)-3-methylimidazolium
hydrogen sulfate, namely MSI) bearing an anionic heteropolyacid derivative ([PW 12 O 40] …

A highly flexible green synthesis of 1H-pyrazolo [1, 2-b] phthalazine-5, 10-dione derivatives with CuI nanoparticles as catalyst under solvent-free conditions

J Safaei-Ghomi, H Shahbazi-Alavi, A Ziarati… - Chinese Chemical …, 2014 - Elsevier
CuI nanoparticles as an efficient catalyst have been used for the preparation of 1H-pyrazolo
[1, 2-b] phthalazine-5, 10-diones by the four-component condensation reaction of phthalic …

Recent advances and prospects in the Zn-catalysed Mannich reaction

S Shamna, CMA Afsina, RM Philip, G Anilkumar - RSC advances, 2021 - pubs.rsc.org
Zn-catalysed reactions are ubiquitously important due to their inexpensive, generally less
toxic and atom-economic nature. According to the modern criteria of sustainability, their use …

Iodine catalyzed one-pot synthesis of flavanone and tetrahydropyrimidine derivatives via Mannich type reaction

V Kavala, C Lin, CW Kuo, H Fang, CF Yao - Tetrahedron, 2012 - Elsevier
A variety of functionalized flavanone derivatives and tetrahydropyrimidine derivatives were
achieved under remarkably mild conditions. The combination of good to excellent yields, a …