A simple, efficient procedure for the one-pot Biginelli condensation reaction of aldehydes, β-ketoesters and urea or thiourea employing copper(II) sulfamate as a novel catalyst is described.
Ji-De Wang, Chen-Jiang Liu
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Nanostructure Polyaniline (PANI) Decorated TiO2 Nanocomposite as Efficient Heterogeneous Catalyst [PDF]
The paper describes the synthesis of conducting polyaniline-TiO2 (PANI-TiO2) nanocomposite by chemical oxidative polymerization method using aniline as a monomer. TiO2 nanoparticles were synthesized by sol gel method using TiCl4 and ethanol.
Chabukswar, Vasant V. +6 more
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Simple and Efficient One Pot Solvent Free Synthesis of 3,4-Dihydropyrimidin-2(1H)-Ones and Thiones by using Ionic Liquid at Reflux Condition [PDF]
A simple and efficient method for the one-pot Biginelli condensation reaction of aldehydes, ????-dicarbonyl compounds, and urea or thiourea is developed by using ionic liquid catalyst at reflux under solvent free condition.
SushilkumarDhanmane, MuralidharShingare
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Green synthesis, structural analysis and anticancer activity of dihydropyrimidinone derivatives
Jayanta Dowarah +6 more
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Silica-gel Catalyzed Facile Synthesis of 3,4-Dihydropyrimidinones
Institute of Pharmacy, Nirma University, S. G. Highway, Ahmedabad-382481, IndiaReceived November 7, 2011, Accepted November 29, 2011Key Words : Biginelli reaction, 3,4-Dihydropyrimidinones, Silica-gel, Multi-component reactionThe pyrimidinone ring is a basic substructure of numerousbiologically active alkaloids and pharmaceutical products.
Sameer Agarwal +6 more
openaire +2 more sources
Rate accelerations in trichloroisocyanuric acid and trichlorotriazine promoted synthesis of 3,4-dihydropyrimidinones/thiones under Vilsmeier-Haack and solvent free conditions [PDF]
Govardhan Duguta +4 more
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Molecular Investigation and Nonlinear Optical Response of Dihydropyrimidinone: A Comparative Spectroscopic and Quantum Computational Studies [PDF]
A. Dhandapani +3 more
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Doped Keggin heteropolyacids as catalyst in the solvent-free, multicomponent synthesis of substituted 3,4-dihydropyrimidin-2(1 H)-ones [PDF]
We report the use of V, Bi and Bi-V Keggin structure where Mo is partially replaced by V, Bi, and Bi and V, respectively, in the solvent-free multicomponent synthesis of 3,4-dihydropyrimidin-2-(1H)-ones by the Biginelli method. The incorporation of V, Bi
Constantieux, T. +6 more
core
Application of Lanthanide Polychelates Derived from 2,4-dihydroxy acetophenone Based Resin as Green Catalyst for Biginelli Reactions [PDF]
In the present study, lanthanide polychelates of 2,4-dihydroxy acetophenone (DHAP) were evaluated for their applicability as green catalyst for various Biginelli reactions.
Pranav S. Shrivastav
core +1 more source
Copper salt of a DABCO-based molten salt: a high-performance catalyst in the one-pot synthesis of 3,4-dihydropyrimidine and polyhydroquinoline derivatives. [PDF]
Fekrat N, Mazloumi M, Shirini F.
europepmc +1 more source

