Results 111 to 120 of about 1,311 (206)

Modified Biginelli Reaction Catalyzed by Cobaltous Chloride Conducted in Microwave [PDF]

, 2016
3, 4- Dihydropyrimidine -2(1H)-Ones were synthesized efficiently using CoCl2.6H2O as catalyst. The reaction was conducted by microwave irradiation without using any solvent.
Singh, Reeta
core   +1 more source

Halloysite Nanotubes as Bimodal Lewis/Brønsted Acid Heterogeneous Catalysts for the Synthesis of Heterocyclic Compounds. [PDF]

Nanomaterials (Basel), 2023
Yu J, Mateos J, Carraro M.
europepmc   +1 more source

Nano-Ticl4.SiO2: a Versatile and Efficient Catalyst for Synthesis of Dihydropyrimidones via Biginelli Condensation [PDF]

, 2015
Nano-TiCl4.SiO2 has been found to be an extremely efficient catalyst for the preparation of 3,4-dihydropyrimidinones/thiones via three-component reactions of an aldehyde, β-ketoester or β-diketone and urea or thiourea under mild conditions.
Mirjalili, BBF, Zamani, L
core   +1 more source

Investigation of anti-diabetic potential and molecular simulation studies of dihydropyrimidinone derivatives. [PDF]

Front Endocrinol (Lausanne), 2022
Ilyas U, Nazir B, Altaf R, Muhammad SA, Zafar H, Paiva-Santos AC, Abbas M, Duan Y.   +7 more
europepmc   +1 more source

Design, synthesis, and characterization of (1-(4-aryl)-1H-1,2,3-triazol-4-yl)methyl, substituted phenyl-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylates against Mycobacterium tuberculosis

Drug Design, Development and Therapy, 2016
Katharigatta N Venugopala,1,2 G B Dharma Rao,3 Subhrajyoti Bhandary,3 Melendhran Pillay,4 Deepak Chopra,3 Bandar E Aldhubiab,1 Mahesh Attimarad,1 Osama Ibrahim Alwassil,1 Sree Harsha,1 Koleka Mlisana4 1Department of Pharmaceutical Sciences, College of ...
Venugopala KN, Dharma Rao GB, Bhandary S, Pillay M, Chopra D, Aldhubiab BE, Attimarad M, Alwassil OI, Harsha S, Mlisana K   +9 more
doaj  

Benchtop ¹⁹F Nuclear Magnetic Resonance (NMR) Spectroscopy Provides Mechanistic Insight into the Biginelli Condensation toward the Chemical Synthesis of Novel Trifluorinated Dihydro- and Tetrahydropyrimidinones as Antiproliferative Agents. [PDF]

ACS Omega, 2023
Chen R, Singh P, Su S, Kocalar S, Wang X, Mandava N, Venkatesan S, Ferguson A, Rao A, Le E, Rojas C, Njoo E.   +11 more
europepmc   +1 more source

Efeito de líquido iônico sobre a reação de Biginelli em condições de catálise homogênea e heterogênea [PDF]

, 2013
Dissertação (mestrado)–Universidade de Brasília, Instituto de Química, Programa de pós graduação em tecnologias química e biológica, 2013.Neste trabalho foram desenvolvidas condições reacionais para a obtenção de dihidropirimidinonas através ...
Alvim, Haline Gerica de Oliveira
core  

A Brønsted acidic ionic liquid anchored to magnetite nanoparticles as a novel recoverable heterogeneous catalyst for the Biginelli reaction. [PDF]

RSC Adv, 2021
Oboudatian HS, Naeimi H, Moradian M.
europepmc   +1 more source

Mesoporous molecular sieve MCM-41 catalyzed one-pot synthesis of 3,4-dihydro-2(1H)-pyrimidinones and –thiones under solvent-free conditions

Bulletin of the Chemical Society of Ethiopia, 2011
An efficient synthesis of 3,4-dihydro-2(1H)-pyrimidinones and -thiones using MCM-41 as the catalyst from an aldehyde, β-keto ester, and urea or thiourea under solvent-free conditions is described.
Rahim Hekmatshoar, Maryam Heidari, Majid. M. Heravi, Bita Baghernejad   +3 more
doaj  

Sustainable One-Pot Synthesis of Dihydropyrimidinones Using a Bio-Waste-Derived Magnetic Sulfonated SBA-16/NiAl-LDO Catalyst. [PDF]

ACS Omega
Noppawan P, Saenthornsin K, Intachai S, Torboon K, Waenthongkham P, Hunt AJ.   +5 more
europepmc   +1 more source