Insights into the Catalytic Activity of [Pd(NHC)(cin)Cl] (NHC=IPr, IPrCl, IPrBr) Complexes in the Suzuki–Miyaura Reaction
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DOI: 10.1002/cctc.201701279
Abstract: The influence of C4,5‐halogenation on palladium N‐heterocyclic carbene complexes and their activity in the Suzuki–Miyaura reaction were investigated. Two [Pd(NHC)(cin)Cl] complexes bearing IPrCl and IPrBr ligands (IPr=1,3‐bis(2,6‐diisopropyl‐phenyl)imidazol‐2‐ylidene; cin=cinnamyl) were synthesized. After determining the electronic and… read more here.
Keywords: miyaura reaction; iprcl iprbr; nhc cin; suzuki miyaura ... See more keywords
Insights into the Suzuki‐Miyaura Reaction Catalyzed by Novel Pd−Carbene Complexes. Are Palladium−Tetra‐ carbene Entities the Key Active Species?
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DOI: 10.1002/cctc.202001253
Abstract: The assumption that the real active species involved in the Suzuki‐Miyaura reaction are homogeneous, heterogeneous or both is often proposed. However a lack in the characterization of true catalytic entities and their monitoring makes assumptions… read more here.
Keywords: miyaura reaction; insights suzuki; carbene; reaction ... See more keywords
A new efficient, highly dispersed, Pd nanoparticulate silica supported catalyst synthesized from an organometallic precursor. Study of the homogeneous vs. heterogeneous activity in the Suzuki-Miyaura reaction
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2018.09.014
Abstract: Abstract A new Pd(0) catalyst supported on silica UVM-7 has been synthesized from the organometallic [Pd2{μ-(C6H4) PPh2}2(CH3CN)4](BF4)2 precursor, characterized by the high dispersion, activity, and small size of the palladium nanoclusters fixed on the silica… read more here.
Keywords: miyaura reaction; study; homogeneous heterogeneous; synthesized organometallic ... See more keywords
From the grafting of NHC-based Pd(II) complexes onto TiO2 to the in situ generation of Mott-Schottky heterojunctions: The boosting effect in the Suzuki-Miyaura reaction. Do the evolved Pd NPs act as reservoirs?
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2021.04.016
Abstract: Abstract The assumption that the real active species involved in the Suzuki-Miyaura reaction are homogeneous, heterogeneous or both is often proposed. However a lack of characterization of the true catalytic entities and their monitoring makes… read more here.
Keywords: evolved nps; onto tio2; reaction; suzuki miyaura ... See more keywords
Is oxidative addition indeed the rate-determining step of the Suzuki–Miyaura reaction with less-reactive aryl chlorides under “ligand-free” conditions?
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2020.121571
Abstract: Abstract The retarded oxidative addition of aryl chloride to Pd(0) is believed, by most scientists, to be the main hindrance in achieving effective conversion in the Suzuki–Miyaura reaction and other cross-coupling reactions of aryl chlorides.… read more here.
Keywords: addition; miyaura reaction; suzuki miyaura; oxidative addition ... See more keywords
Nonclassical cooperative mechanism in Suzuki-Miyaura reaction – Is it possible?
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DOI: 10.1016/j.mcat.2020.111321
Abstract: Abstract Herein, the independent differential selectivity in the Suzuki-Miyaura reaction of two competing arylboronic acids with regard to the nature of the aryl halide (both halide and aryl moieties) was established. This pattern cannot be… read more here.
Keywords: cooperative mechanism; mechanism; miyaura reaction; reaction ... See more keywords
Pd(II) complexes with ONN pincer ligand: Tailored synthesis, characterization, DFT, and catalytic activity toward the Suzuki-Miyaura reaction
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DOI: 10.1016/j.molstruc.2020.129071
Abstract: Abstract A pincer type ONN tridentate Schiff base ligand, 2-(((pyridin-2-yl)methylimino)methyl)-6-methoxyphenol, (L1) synthesized by the condensation of 4-hydroxy-3-methoxy-benzaldehyde and (pyridin-2-yl)methanamine. The ligand L1 and the new Pd(II) heteroleptic complexes of the composition [Pd(L1)(L2)]Cl, where L2 = benzimidazole, imidazole,… read more here.
Keywords: pincer; miyaura reaction; suzuki miyaura; catalytic activity ... See more keywords
Heptazine-Based Porous Framework Supported Palladium Nanoparticles for Green Suzuki–Miyaura Reaction
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DOI: 10.1021/acs.iecr.6b05039
Abstract: A newly heterogeneous palladium catalyst has been synthesized by immobilizing Pd(OAc)2 onto a nitrogen-rich heptazine-based porous framework (Cy-pip). Highly dispersed Pd particles and abundant distributed N atoms in the framework make Pd/Cy-pip very efficient toward… read more here.
Keywords: framework; miyaura reaction; porous framework; based porous ... See more keywords
Real-Time Mass Spectrometric Investigations into the Mechanism of the Suzuki–Miyaura Reaction
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DOI: 10.1021/acs.organomet.8b00705
Abstract: Real-time monitoring of the Suzuki–Miyaura reaction using mass spectrometry during sequential addition of the various reaction components suggests that a dynamic series of equilibria exist in these solutions. Depending on conditions, the boronic acid can… read more here.
Keywords: real time; miyaura reaction; mass; reaction ... See more keywords
Distal Ionic Substrate–Catalyst Interactions Enable Long-Range Stereocontrol: Access to Remote Quaternary Stereocenters through a Desymmetrizing Suzuki–Miyaura Reaction
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c12345
Abstract: Spatial distancing of a substrate’s reactive group and nonreactive catalyst-binding group from its pro-stereogenic element presents substantial hurdles in asymmetric catalysis. In this context, we report a desymmetrizing Suzuki–Miyaura reaction that establishes chirality at a… read more here.
Keywords: miyaura reaction; remote quaternary; catalyst; suzuki miyaura ... See more keywords
Experimental and computational insights into the mechanism of the copper(I)-catalysed sulfonylative Suzuki-Miyaura reaction
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DOI: 10.1039/d3sc01337e
Abstract: A mechanistic study into the copper(I)-catalysed sulfonylative Suzuki-Miyaura reaction, incorporating sulfur dioxide, is described. Utilising spectroscopic and computational techniques, an exploration into the individual components of the competing catalytic cycles... read more here.
Keywords: miyaura reaction; catalysed sulfonylative; suzuki miyaura; copper catalysed ... See more keywords