Mn-Catalyzed 1,6-conjugate addition/aromatization of para-quinone methides

Organic & Biomolecular Chemistry, Journal Year: 2018, Volume and Issue: 16(24), P. 4547 - 4557

Published: Jan. 1, 2018

A series of ferrocenyl triazole ligands have been synthesized and characterized, which proved to be effective for the Mn-catalyzed 1,6-conjugate addition/aromatization para-quinone methides.

Language: Английский

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The synthesis and structure of pyridine-oxadiazole iridium complexes and catalytic applications: Non-coordinating-anion-tuned selective C N bond formation

Chinese Chemical Letters, Journal Year: 2019, Volume and Issue: 31(3), P. 701 - 705

Published: Aug. 28, 2019

Language: Английский

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Ligand-tuned cobalt-containing coordination polymers and applications in water

Green Chemistry, Journal Year: 2020, Volume and Issue: 22(23), P. 8452 - 8461

Published: Jan. 1, 2020

Co-CIA could realize the alkylation of ketones and alcohols, alcohols without extra bases organic solvents, while Co-NCIA was effective for synthesis 1-benzyl-2-aryl-1H-benzo[d]imidazoles from various phenylenediamine benzyl in water.

Language: Английский

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Commercial Copper‐Catalyzed Aerobic Oxidative Synthesis of Quinazolinones from 2‐Aminobenzamide and Methanol

European Journal of Organic Chemistry, Journal Year: 2020, Volume and Issue: 2020(18), P. 2730 - 2734

Published: April 8, 2020

The focus of this study was the development a new synthetic method for quinazolinones based on principles Green Chemistry. Quinazolinones were synthesized from 2‐aminobenzamide using methanol as both C1 source and green solvent in presence base Cs 2 CO 3 . Additionally, commercially available, economical copper complex used catalyst reaction. desired products achieved moderate to high yield with up 99 % isolated yield.

Language: Английский

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Highly Efficient and Recyclable Porous Organic Polymer Supported Iridium Catalysts for Dehydrogenation and Borrowing Hydrogen Reactions in Water

ChemCatChem, Journal Year: 2021, Volume and Issue: 13(22), P. 4751 - 4758

Published: Sept. 2, 2021

Abstract Benzothiazole‐doped porous organic polymers ( POP‐MBTS ) were synthesized from a copolymerization reaction of 2‐(6‐(4‐vinylphenyl)pyridin‐2‐yl)benzo[ d ]thiazole with divinylbenzene. The corresponding POP‐MBTS‐Ir was obtained and fully characterized using SEM, TEM, EDS, TGA, XPS, N 2 sorption isotherms, which disclosed that this catalyst has high surface area, hierarchical porosity, thermodynamic stability. Importantly, revealed catalytic activity for ten different kinds borrowing hydrogen dehydrogenation reactions in water good recovery performance. Furthermore, mechanistic investigations conducted the synthesis triazine derivatives.

Language: Английский

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Palladium-catalyzed chemoselective N-monoallylation of aromatic amines with diallylamine through a borrowing hydrogen strategy

Tetrahedron, Journal Year: 2025, Volume and Issue: unknown, P. 134648 - 134648

Published: April 1, 2025

Language: Английский

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A borrowing hydrogen methodology: palladium-catalyzed dehydrative N-benzylation of 2-aminopyridines in water

Green Chemistry, Journal Year: 2018, Volume and Issue: 20(13), P. 3044 - 3049

Published: Jan. 1, 2018

We demonstrate a borrowing hydrogen methodology using the p-benzylpalladium system, which offers an efficient and environmentally friendly dehydrative N-monobenzylation of 2-aminopyridines with benzylic alcohols in absence base.

Language: Английский

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Aqua‐mediated rapid and benign synthesis of 1,2,6,7‐tetrahydro‐8H‐indeno[5,4‐b]furan‐8‐one‐appended novel 2‐arylidene indanones of pharmacological interest at ambient temperature

Journal of the Chinese Chemical Society, Journal Year: 2019, Volume and Issue: 67(2), P. 306 - 315

Published: July 15, 2019

Abstract In the present investigation, a green aqua‐mediated protocol for synthesis of novel 2‐arylidene indanone derivatives from 1,2,6,7‐tetrahydro‐8H‐indeno[5,4‐b]furan‐8‐one was unveiled. The application water in organic reactions as solvent is one incredible tools chemistry can be carried out under benign conditions minimizing environmental hazard and chemical waste. A library are synthesized good to excellent yield by utilizing potential solvent. structures all reported herein confirmed using Fourier‐transform infrared spectroscopy (FTIR), 1 H NMR, 13 C 19 F distortionless enhancement polarization transfer (DEPT), High Resolution Mass Spectrometry (HRMS) techniques.

Language: Английский

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A Zirconium Indazole Carboxylate Coordination Polymer as an Efficient Catalyst for Dehydrogenation‐Cyclization and Oxidative Coupling Reactions

ChemPlusChem, Journal Year: 2019, Volume and Issue: 85(1), P. 123 - 129

Published: Nov. 15, 2019

Abstract Rational ligand design is crucial for achieving widespread applications of coordination polymers. The preparation, structural characterisation, and catalytic zirconium (IV) polymer (Zr‐IDA), which was derived from 1‐(carboxymethyl)‐1H‐indazole‐5‐carboxylic acid are reported. Zr‐IDA catalyst contains porous highly crystalline particles with a quasi‐spherical morphology around 100 nm in size, Zr coordinated both O N as shown by FT‐IR XPS measurements. Importantly, the shows great activity, selectivity stability oxidative coupling benzyl cyanides tert ‐butyl hydroperoxide to afford peresters, dehydrogenation cyclization o ‐phenylenediamines aromatic alcohols 1,2‐disubstituted benzimidazole derivatives. Mechanistic investigations were carried out study these reactions developed system more detail.

Language: Английский

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Porous cross-linked polymer copper and iridium catalyzed the synthesis of quinoxalines and functionalized ketones under solvent-free conditions

Materials Chemistry Frontiers, Journal Year: 2021, Volume and Issue: 5(21), P. 7861 - 7872

Published: Jan. 1, 2021

Two innovative porous cross-linked polymers (PCP–BTA–Ir and PCP–BTA–Cu) exhibited high catalytic activity towards the synthesis quinoxalines.

Language: Английский

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