Synthesis and Characterization of Novel 2D Ultrathin Nanoribbons Cd-Ag-MOF@ZnO Composite as Organo-Nanocatalyst for Preparation of Polyhydroquinoline Heterocycles DOI

Negar Hoot,

Enayatollah Sheikhhosseini, Sayed Ali Ahmadi

et al.

Polycyclic aromatic compounds, Journal Year: 2023, Volume and Issue: 44(8), P. 5218 - 5236

Published: Oct. 2, 2023

AbstractNovel ultrathin Cd-Ag-MOF@ZnO composite nanoribbons (Ut-Nr C) were prepared and characterized in this research to serve as organocatalyst Hantzsch condensation for selective synthesis of asymmetric polyhydroquinolines through a one-pot multi-component reaction various substituted arylaldehyde, 5,5-dimethyl-1,3-cyclohexanedione, ammonium acetate ethyl acetoacetate under solvent-free conventional heating relatively short times. The developed catalysts easily recycled reutilized at least three times optimized conditions with no noticeable decline their initial catalytic activities. Operational simplicity environmental compatibility, combined the application reusable affordable heterogeneous catalyst, significant efficiency, time, good yield are among main characteristics proposed synthetic approach.Keywords: Organocatalystpolyhydroquinoline1,3,5-benzenetricarboxylic acidUt-Nr Cgreen chemistry Disclosure statementThe authors declare that they have known competing financial interests or personal relationships could appeared influence work reported article.Data availability datasets supporting conclusions article included within all data fully available without restriction.Additional informationFundingThe supports Research Councils Islamic Azad University Kerman gratefully acknowledged.

Language: Английский

Recent advances in carbohydrate polymers as a catalyst for organic synthesis: An update DOI

Azzeddine Taoufyk,

Khaoula Oudghiri,

Moha Taourirte

et al.

Synthetic Communications, Journal Year: 2024, Volume and Issue: 54(11), P. 853 - 880

Published: April 9, 2024

The biocompatibility, specificity, and consistency of natural carbohydrate polymers in catalyzing organic processes have garnered significant interest. For the production compounds, a variety been employed as heterogeneous catalysts, including agarose, cellulose, chitosan, chitin, sodium alginate, carrageenan, dextrin, starch, pectin. This article provides an overview several straightforward efficient techniques for mild reaction conditions catalytic synthesis compounds employing source species.

Language: Английский

Citations

6
Direct Lawsone O-Alkylation Employing Sulfonic Acid-Functionalized Chitosan as a Biodegradable Organocatalyst DOI Creative Commons
Iva S. de Jesus,

Juliana Baptista de Pontes,

Vânia Margaret Flosi Paschoalin

et al.

ACS Omega, Journal Year: 2025, Volume and Issue: 10(4), P. 4163 - 4169

Published: Jan. 21, 2025

An environmentally friendly, cheap, and scalable protocol for direct lawsone O-alkylation employing different alcohols using acid chitosan (CS–SO3H) as a heterogeneous organocatalyst is described herein the first time. A wide variety of can be converted with functional group tolerance high atomic economy. Significantly, catalyst recycling method chemoselectivity were also assessed.

Language: Английский

Citations

0
Acid-decorated chitosan-magnetic aluminum ferrite as a bionanocomposite catalyst for green synthesis of biologically active [4,3‑d]pyrido[1,2‑a]pyrimidin-6‑ones DOI Creative Commons

Maryam Saberi-Zare,

Mohammad Ali Bodaghifard

Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)

Published: Jan. 27, 2025

In this study, a novel hybrid nanostructure consisting of acid-decorated chitosan and magnetic AlFeO3 nanoparticles was fabricated. The provided stable biocompatible matrix for the nanoparticles. Various techniques including Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction patterns (XRD), thermogravimetric analysis (TGA), vibrating sample magnetometry (VSM), specific surface area (BET), scanning electron microscopy (SEM), energy-dispersive (EDS) were used to characterize confirm successful synthesis nanostructure. newly prepared bio-nanocomposite (AlFeO3@CS-SO3H) effectively employed in biologically active 7-aryl[4,3d]pyrido[1,2a]pyrimidin-6(7H)one derivatives an aqueous medium, creating environmentally friendly process. desired products manufactured high yields (88–98%) without formation noticeable side products. This procedure offers numerous advantages, short reaction times, use green solvent, ability reuse catalyst significant decrease catalytic activity, easy separation using external magnet. minimal product indicate efficiency selectivity method, making it promising strategy sustainable production compounds.

Language: Английский

Citations

0
CuCeO2 NPs: An efficient catalyst for the synthesis of 1,4-dihydropyridine derivatives DOI

Shaheen A. Shaikh,

V. S. Kamble, PS Patil

et al.

Journal of Porous Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 8, 2025

Language: Английский

Citations

0
Zn(II)-loaded naturally-occurring chitosan as a catalyst for the synthesis of aryl quinoline derivatives: Box-Behnken Design and Experimental Perspectives DOI

Azzeddine Taoufyk,

Khaoula Oudghiri,

Abderrazzak Boudouma

et al.

Journal of Molecular Structure, Journal Year: 2025, Volume and Issue: unknown, P. 142038 - 142038

Published: March 1, 2025

Language: Английский

Citations

0
NiII-containing l-glutamic acid cross-linked chitosan anchored on Fe3O4/f-MWCNT: a sustainable catalyst for the green reduction and one-pot two-step reductive Schotten–Baumann-type acetylation of nitroarenes DOI Creative Commons
Hossein Mousavi, Behzad Zeynizadeh, Morteza Hasanpour Galehban

et al.

Nanoscale Advances, Journal Year: 2024, Volume and Issue: 6(15), P. 3961 - 3977

Published: Jan. 1, 2024

In this research, new catalytic applications of the Fe 3 O 4 / f -MWCNT-CS-Glu/Ni II nanocomposite have been introduced for efficient reduction and one-pot two-step reductive Schotten–Baumann-type acetylation nitroarenes in water.

Language: Английский

Citations

3
Melamine phosphate-modified magnetic chitosan: a novel biocompatible catalyst for the synthesis of biological tetrahydrodipyrazolopyridine and pyrazolopyranopyrimidine derivatives DOI Creative Commons

Maryam Mousavi-Ebadi,

Javad Safaei‐Ghomi

Frontiers in Chemistry, Journal Year: 2024, Volume and Issue: 12

Published: May 15, 2024

A novel biocompatible composite was fabricated by the functionalization of magnetic chitosan with melamine phosphate (MP) ionic compound to serve as a recoverable and bifunctional catalyst, aiming at diversity-oriented generation biological tetrahydropyrazolopyridine pyrazolopyrimidine derivatives. This involved meticulously orchestrated reaction, exploiting in situ generated pyrazole alongside aromatic aldehydes, ammonium acetate, (thio) barbituric acid. The present work manifests outstanding advantages, offering great method for optimal synthesis two valuable heterocyclic series especially five new resulting comprehensively characterized through range analytical techniques, including FT-IR, NH 3 CO 2 -TPD, XRD, TEM, FE-SEM, VSM, EDX, elemental CHNS analysis, ICP-MS, NMR spectroscopy. Notably, study represents critical step preparation advanced materials from accessible cost-effective precursors.

Language: Английский

Citations

2
A supramolecular magnetic and multifunctional Titriplex V-grafted chitosan organocatalyst for the synthesis of acridine-1,8-diones and 2-amino-3-cyano-4H-pyran derivatives DOI Creative Commons

Najmeh Hassanzadeh,

Mohammad G. Dekamin, Ehsan Valiey

et al.

Nanoscale Advances, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

In this research, a new supramolecular magnetic modified chitosan, namely, Fe

Language: Английский

Citations

1
Green Synthesis of Bioactive Polyhydroquinoline Derivatives via Hantzsch Condensation Using Sulfanilic Acid as a Versatile and Efficient Catalyst DOI

Manoj P. Palve,

Jaysing M. Dinore,

Amol V. Sapkal

et al.

Russian Journal of Organic Chemistry, Journal Year: 2024, Volume and Issue: 60(S1), P. S121 - S127

Published: Dec. 1, 2024

Language: Английский

Citations

0
Synthesis and Characterization of Novel 2D Ultrathin Nanoribbons Cd-Ag-MOF@ZnO Composite as Organo-Nanocatalyst for Preparation of Polyhydroquinoline Heterocycles DOI

Negar Hoot,

Enayatollah Sheikhhosseini, Sayed Ali Ahmadi

et al.

Polycyclic aromatic compounds, Journal Year: 2023, Volume and Issue: 44(8), P. 5218 - 5236

Published: Oct. 2, 2023

AbstractNovel ultrathin Cd-Ag-MOF@ZnO composite nanoribbons (Ut-Nr C) were prepared and characterized in this research to serve as organocatalyst Hantzsch condensation for selective synthesis of asymmetric polyhydroquinolines through a one-pot multi-component reaction various substituted arylaldehyde, 5,5-dimethyl-1,3-cyclohexanedione, ammonium acetate ethyl acetoacetate under solvent-free conventional heating relatively short times. The developed catalysts easily recycled reutilized at least three times optimized conditions with no noticeable decline their initial catalytic activities. Operational simplicity environmental compatibility, combined the application reusable affordable heterogeneous catalyst, significant efficiency, time, good yield are among main characteristics proposed synthetic approach.Keywords: Organocatalystpolyhydroquinoline1,3,5-benzenetricarboxylic acidUt-Nr Cgreen chemistry Disclosure statementThe authors declare that they have known competing financial interests or personal relationships could appeared influence work reported article.Data availability datasets supporting conclusions article included within all data fully available without restriction.Additional informationFundingThe supports Research Councils Islamic Azad University Kerman gratefully acknowledged.

Language: Английский

Citations

1