Articles with "heck reaction" as a keyword



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Utilization of Synthetic Calcium‐Phyllosilicates as Bifunctional Bases in the Matsuda‐Heck Reaction

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201801519

Abstract: Calcium‐phyllosilicates can successfully be used as novel bases in the Matsuda‐Heck reaction using methanol as solvent. The new experimental set‐up distinguishes itself by higher reactivity and better selectivity compared to other systems. read more here.

Keywords: bases matsuda; matsuda heck; heck reaction; calcium phyllosilicates ... See more keywords
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POSS-Based Covalent Networks: Supporting and Stabilizing Pd for Heck Reaction in Aqueous Media

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Published in 2017 at "Catalysis Letters"

DOI: 10.1007/s10562-016-1954-8

Abstract: Palladium nanoparticles supported on Incompletely Condensed Polyhedral Oligomeric Silsesquioxane (IC-POSS) based poly (Acrylamide-co-Hydroxy ethyl methacrylate) as a novel nanohybrid catalyst were synthesized and characterized. This catalyst was found to be an efficient and reusable heterogeneous… read more here.

Keywords: based covalent; heck reaction; poss based; catalyst ... See more keywords
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A facile one-pot solvothermal method for synthesis of magnetically recoverable Pd-Fe 3 O 4 hybrid nanocatalysts for the Mizoroki-Heck reaction

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Published in 2018 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2018.02.007

Abstract: Abstract Pd-Fe 3 O 4 hybrid nanostructures were prepared using a simple one-pot hydrothermal method. The prepared materials were characterized by Fourier transform-infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy,… read more here.

Keywords: microscopy; magnetically recoverable; spectroscopy; one pot ... See more keywords
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Palladium–N-heterocyclic carbene complexes for the Mizoroki–Heck reaction: An appraisal

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Published in 2017 at "Comptes Rendus Chimie"

DOI: 10.1016/j.crci.2017.03.003

Abstract: Abstract This article presents a review of the most significant developments with N-heterocyclic carbene (NHC)–palladium catalytic systems used for the Heck reaction. For more than the past two decades, a large number of new NHC–Pd… read more here.

Keywords: metal; reaction; palladium; heck reaction ... See more keywords
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Catalytic performance of palladium nanoparticles encapsulated within nitrogen-doped carbon during Heck reaction

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Published in 2021 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2021.05.020

Abstract: Abstract The Confinement effect is an effective strategy for enhancing the performance of catalysts during various reactions. We developed a strategy to encapsulating Palladium nanoparticles with a dopamine-derived N-doped multilayer carbon shell to catalyze the… read more here.

Keywords: doped carbon; performance; reaction; palladium nanoparticles ... See more keywords
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Ligand-free palladium-catalyzed Mizoroki-Heck reaction to synthesize valuable α-trifluoromethylacrylates

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Published in 2020 at "Journal of Fluorine Chemistry"

DOI: 10.1016/j.jfluchem.2020.109483

Abstract: Abstract α-Trifluoromethylacrylates were synthesized using efficient ligand-free palladium catalyzed Mizoroki-Heck reaction. With the alkyl trifluoromethylacrylates used as substrates, different catalytic systems were explored including Pd/C as a catalyst. Good to excellent yields were obtained with… read more here.

Keywords: catalyzed mizoroki; ligand free; palladium catalyzed; heck reaction ... See more keywords
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Detection and Structural Investigation of Elusive Palladium Hydride Intermediates Formed from Simple Metal Salts.

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Published in 2021 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c00173

Abstract: The Mizoroki-Heck reaction is one of the most known and best studied catalytic transformations and has provided an outstanding driving force for the development of catalysis and synthetic applications. Three out of four classical Mizoroki-Heck… read more here.

Keywords: palladium hydride; hydride intermediates; palladium; heck reaction ... See more keywords
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A New Mode of Operation of Pd-NHC Systems Studied in a Catalytic Mizoroki–Heck Reaction

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Published in 2017 at "Organometallics"

DOI: 10.1021/acs.organomet.7b00184

Abstract: Metal complexes bearing N-heterocyclic carbene (NHC) ligands are typically considered the system of choice for homogeneous catalysis with well-defined molecular active species due to their stable metal–ligand framework. A detailed study involving 19 different Pd-NHC… read more here.

Keywords: new mode; metal; nhc systems; heck reaction ... See more keywords
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Direct Kinetic Evidence for the Active Anionic Palladium(0) and Palladium(II) Intermediates in the Ligand-Free Heck Reaction with Aromatic Carboxylic Anhydrides

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Published in 2017 at "Organometallics"

DOI: 10.1021/acs.organomet.7b00496

Abstract: Differential selectivity in the competitive Heck reaction with aromatic carboxylic anhydrides has been found to depend on the nature of both the cation and anion of a salt used as an additive for the catalytic… read more here.

Keywords: active anionic; aromatic carboxylic; reaction aromatic; palladium ... See more keywords
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Synthesis of meta-(Indol-3-yl)phenols from Indoles and Cyclohexenone via Palladium(II)-Catalyzed Oxidative Heck Reaction and Dehydrogenative Aromatization in a One-Step Sequence.

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Published in 2021 at "Organic letters"

DOI: 10.1021/acs.orglett.1c02679

Abstract: Facile construction of a meta-(indol-3-yl)phenol framework with a wide substrate scope (a total of 25 compounds) via a palladium(II)-catalyzed oxidative Heck reaction and dehydrogenative aromatization in a one-step sequence is reported. This methodology affords a… read more here.

Keywords: meta indol; via palladium; palladium catalyzed; oxidative heck ... See more keywords
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Pd(0)-Catalyzed Intramolecular Reductive Heck Reaction of Vinyl Iodide and Oxime Ether: Enantioselective Synthesis of Cyclic Allylic N-Alkoxy Amine.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c00823

Abstract: Whereas the intramolecular reductive Heck reaction of aryl/vinyl halide and alkene has been well documented, the oxime analogue remains extremely elusive. Herein we report the Pd(0)-catalyzed intramolecular reductive Heck reaction of vinyl iodide and oxime… read more here.

Keywords: reductive heck; reaction; intramolecular reductive; heck reaction ... See more keywords