Articles with "transfer catalysis" as a keyword



Methylation of 5-nitrotetrazole sodium salt under phase-transfer catalysis conditions

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Published in 2017 at "Chemistry of Heterocyclic Compounds"

DOI: 10.1007/s10593-017-2118-5

Abstract: The alkylation of 5-nitrotetrazole sodium salt with dimethyl sulfate was studied in a two-phase water–dichloromethane system in the presence of tetrabutylammonium bromide as a phase-transfer catalyst. The reaction produced a mixture of regioisomers – 1-methyl-… read more here.

Keywords: phase; phase transfer; transfer catalysis; sodium salt ... See more keywords

Intramolecular Dearomative [2 + 2] Cycloaddition of (Hetero)arenes via Energy Transfer Catalysis: Exploration of Divergent Three-Dimensional Skeleton Editing.

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Published in 2025 at "Organic letters"

DOI: 10.1021/acs.orglett.5c03908

Abstract: Dearomative [2 + 2] cycloadditions offer a powerful route for converting planar arenes into complex three-dimensional (3D) scaffolds prevalent in bioactive molecules. Herein, we report an intramolecular dearomative [2 + 2] cycloaddition of N-acryloyl-N-substituted α/β-naphthamides… read more here.

Keywords: transfer catalysis; energy transfer; cycloaddition;

Metal-Ligand Role Reversal: Hydride-Transfer Catalysis by a Functional Phosphorus Ligand with a Spectator Metal.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c10200

Abstract: Hydride transfer catalysis is shown to be enabled by the nonspectator reactivity of a transition metal-bound low-symmetry tricoordinate phosphorus ligand. Complex 1·[Ru]+, comprising a nontrigonal phosphorus chelate (1, P(N(o-N(2-pyridyl)C6H4)2) and an inert metal fragment ([Ru]… read more here.

Keywords: transfer catalysis; phosphorus; ligand; hydride transfer ... See more keywords

Enzyme-like Acyl Transfer Catalysis in a Bifunctional Organic Cage

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Published in 2024 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.4c03560

Abstract: Amide-based organic cage cavities are, in principle, ideal enzyme active site mimics. Yet, cage-promoted organocatalysis has remained elusive, in large part due to synthetic accessibility of robust and functional scaffolds. Herein, we report the acyl… read more here.

Keywords: transfer catalysis; acyl; organic cage; cage ... See more keywords

Enantioconvergent nucleophilic substitution via synergistic phase-transfer catalysis

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Published in 2025 at "Nature Catalysis"

DOI: 10.1038/s41929-024-01288-0

Abstract: Catalytic enantioconvergent nucleophilic substitution reactions of alkyl halides are highly valuable transformations, but they are notoriously difficult to implement. Specifically, nucleophilic fluorination is a renowned challenge, especially when inexpensive alkali metal fluorides are used as… read more here.

Keywords: transfer catalysis; phase transfer; phase; enantioconvergent nucleophilic ... See more keywords

Intermolecular dearomative [4 + 2] cycloaddition of naphthalenes via visible-light energy-transfer-catalysis

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Published in 2022 at "Chemical Science"

DOI: 10.1039/d2sc04005k

Abstract: The dearomative cycloaddition reaction serves as a blueprint for creating sp3-rich three-dimensional molecular topology from flat-aromatic compounds. However, severe reactivity and selectivity issues make this process arduous. Herein, we describe visible-light energy-transfer catalysis for the… read more here.

Keywords: energy transfer; dearomative cycloaddition; transfer catalysis;

N-Heterocyclic Nitrenium Charge Transfer Catalysis via Inner-Sphere Electron Transfer Concerted with Halogen-Atom Dissociation

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Published in 2024 at "Organic Chemistry Frontiers"

DOI: 10.1039/d3qo01779f

Abstract: Visible light photoredox-catalyzed reactions have become essential tools in organic synthesis. However, these transformations often rely on high-cost photocatalysts that require multistep synthesis and chromophore design. In recent years, charge... read more here.

Keywords: nitrenium charge; transfer catalysis; heterocyclic nitrenium; catalysis via ... See more keywords

Nanoscale stirring at the liquid–liquid interface: the interfacial nano-vortexer actively converges immiscible biphasic reactants for enhanced phase-transfer catalysis

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Published in 2024 at "Journal of Materials Chemistry A"

DOI: 10.1039/d3ta06360g

Abstract: The application of spinning nano-vortexers along the liquid–liquid interface is crucial in the active convergence of biphasic reagents for kinetically boosting phase-transfer catalysis by >200-fold compared to conventional approaches. read more here.

Keywords: transfer catalysis; phase transfer; liquid liquid; liquid interface ... See more keywords

Metal-free C−H borylation of heterocycles by merging photoredox and hydrogen atom transfer catalysis

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Published in 2024 at "Organic Chemistry Frontiers"

DOI: 10.1039/d4qo01041h

Abstract: Reported herein is a method that merges organophotoredox and hydrogen atom transfer catalysis to enable the C−H borylation of heterocycles using O2 as an environmentally friendly oxidant. This straightforward approach... read more here.

Keywords: transfer catalysis; borylation heterocycles; atom transfer; hydrogen atom ... See more keywords
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A novel thermoregulated phase-transfer catalysis system for chiral nano-Pt-catalyzed asymmetric hydrogenation

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Published in 2021 at "Journal of Chemical Research"

DOI: 10.1177/17475198211039133

Abstract: The chiral ionic liquid CILTPT-MS [CH3(OCH2CH2)16CD]+[CH3SO3]− (CD = cinchonidine) is found to exhibit cloud point character. Due to this cloud point character, a CILTPT-MS-stabilized chiral nano-Pt catalyst is prepared and utilized to realize transfer in a H2O–1-pentanol… read more here.

Keywords: system; thermoregulated phase; phase transfer; transfer catalysis ... See more keywords

Molecular Understanding and Practical In Silico Catalyst Design in Computational Organocatalysis and Phase Transfer Catalysis—Challenges and Opportunities

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Published in 2023 at "Molecules"

DOI: 10.3390/molecules28041715

Abstract: Through the lens of organocatalysis and phase transfer catalysis, we will examine the key components to calculate or predict catalysis-performance metrics, such as turnover frequency and measurement of stereoselectivity, via computational chemistry. The state-of-the-art tools… read more here.

Keywords: organocatalysis phase; catalysis; transfer catalysis; phase transfer ... See more keywords