Articles with "first row" as a keyword



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First row transition metal atoms embedded in multivacancies in a rippled graphene system

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.11.035

Abstract: Abstract Ab-initio calculations based on density functional theory (DFT) have been performed to study systems where a first row transition metal atom is embedded in a rippled graphene due to the existence of an 8-order… read more here.

Keywords: system; transition metal; row transition; rippled graphene ... See more keywords
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Bifunctional homogeneous catalysts based on first row transition metals in asymmetric hydrogenation

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Published in 2020 at "Coordination Chemistry Reviews"

DOI: 10.1016/j.ccr.2020.213523

Abstract: This article reviews over the past 10 years the development of bifunctional homogeneous catalysts based on first row transition metals for asymmetric hydrogenation of various CC, CO and CN double bonds. Following the impressive performances… read more here.

Keywords: row transition; catalysts based; hydrogenation; transition metals ... See more keywords
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First row metal complexes of the hindered tridentate ligand 2,6-bis-(3′,5′-diphenylpyrazolyl)pyridine

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Published in 2017 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2017.12.032

Abstract: Abstract Crystal structures of five first-row transition metal complexes of a recently-available bis-pyrazolylpyridine (bpp) ligand, 2,6-bis(3′,5′-diphenylpyrazolyl)pyridine (bdppp), prepared by reaction with transition metal chlorides, are reported. The ligand forms two types of structures, a 2:1… read more here.

Keywords: ligand bis; bis diphenylpyrazolyl; metal; metal complexes ... See more keywords
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Recent progress in homogeneous light-driven hydrogen evolution using first-row transition metal catalysts

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Published in 2020 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2020.119950

Abstract: Abstract The rich chemistry, low cost and availability offered by first-row transition metals have inspired many researchers to focus on the design, preparation and testing of a wide plethora of efficient catalytic systems for homogeneous… read more here.

Keywords: evolution; row transition; homogeneous light; hydrogen evolution ... See more keywords
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First row transition metals decorated boron phosphide nanoclusters as nonlinear optical materials with high thermodynamic stability and enhanced electronic properties; A detailed quantum chemical study

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Published in 2021 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2020.106570

Abstract: Abstract Electronic as well as nonlinear optical properties (first hyperpolarizabilities) of boron phosphide nanoclusters doped with first row transition metals (Sc–Zn) are explored using density functional theory (DFT) calculations. Four different doping sites (b64, b66,… read more here.

Keywords: boron phosphide; first row; transition metals; nonlinear optical ... See more keywords
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Supramolecular first-row transition metal complexes of 3-(3,5-dimethylpyrazol-1-yl)propanamide: Three different coordination modes

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Published in 2019 at "Polyhedron"

DOI: 10.1016/j.poly.2019.02.056

Abstract: Abstract Michael addition of 3-tert-butylpyrazole (1) or 3,5-dimethylpyrazole (2) to acrylamide afforded the pyrazolylpropanamide-type ligands 3-(3-tert-pyrazol-1-yl)propanamide (3, = tBuPPA) and 3-(3,5-dimethylpyrazol-1-yl)propanamide (4, = Me2PPA), respectively, in high isolated yields (3: 80%, 4: 76%). Reactions of 4 with selected first-row… read more here.

Keywords: transition metal; three different; coordination; dimethylpyrazol propanamide ... See more keywords
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Through the Looking Glass: Using the Lens of [SNS]-Pincer Ligands to Examine First-Row Metal Bifunctional Catalysts.

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Published in 2023 at "Accounts of chemical research"

DOI: 10.1021/acs.accounts.2c00798

Abstract: ConspectusHomogeneous catalysis is at the forefront of global efforts to innovate the synthesis of fine chemicals and achieve carbon-neutrality in energy applications. For decades, the push toward sustainable catalysis has focused on the development of… read more here.

Keywords: first row; pincer; catalyst; row metal ... See more keywords
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Na3FeH7 and Na3CoH6: Hydrogen-Rich First-Row Transition Metal Hydrides from High Pressure Synthesis

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Published in 2020 at "Inorganic Chemistry"

DOI: 10.1021/acs.inorgchem.0c02294

Abstract: The formation of ternary hydrogen-rich hydrides involving the first-row transition metals TM = Fe and Co in high oxidation states is demonstrated from in situ synchrotron diffraction studies of reaction mixtures NaH–TM–H2 at p ≈… read more here.

Keywords: na3feh7 na3coh6; row transition; hydrogen rich; pressure ... See more keywords
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A Series of Octahedral First-Row Transition-Metal Ion Complexes Templated by Wells-Dawson Polyoxometalates: Synthesis, Crystal Structure, Spectroscopic, and Thermal Characterizations, and Electrochemical Properties.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b01207

Abstract: Three Wells-Dawson polyoxotungstates-based hybrid compounds of general formula [M(C3H7NO)6][{M(C3H7NO)5}2(μ-P2W18O62)]· nC3H7NO· n'H2O [with M = MnII (1), FeII (2), CoII (3) ; n = 2, 2, 3 and n' = 0, 0, 1, respectively] were synthesized… read more here.

Keywords: row transition; octahedral first; wells dawson; series octahedral ... See more keywords
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Interaction of First Row Transition Metals with M2C (M = Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W) MXenes: A Quest for Single-Atom Catalysts

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Published in 2021 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.0c10877

Abstract: The synthesis of single-atom catalysts (SACs) is one of the main challenges in heterogeneous catalysis and electrocatalysis since it requires substrates with high thermal/chemical stability on whic... read more here.

Keywords: single atom; atom catalysts; row transition; interaction first ... See more keywords
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Cross-Coupling of Ketone Enolates with Grignard and Zinc Reagents with First-Row Transition Metal Catalysts

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Published in 2021 at "ACS Catalysis"

DOI: 10.1021/acscatal.1c01077

Abstract: The stereoselective transformation of ketones to substituted olefins has become of great importance in organic synthesis. This Review helps to define the scope and limitations of the first-row tran... read more here.

Keywords: cross coupling; coupling ketone; ketone enolates; grignard zinc ... See more keywords