Search Results - "Samantaray, Manoja K."
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The Comparison between Single Atom Catalysis and Surface Organometallic Catalysis
Published in Chemical reviews (22-01-2020)“…Single atom catalysis (SAC) is a recent discipline of heterogeneous catalysis for which a single atom on a surface is able to carry out various catalytic…”
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Anticancer and Antimicrobial Metallopharmaceutical Agents Based on Palladium, Gold, and Silver N-Heterocyclic Carbene Complexes
Published in Journal of the American Chemical Society (05-12-2007)“…Complete synthetic, structural, and biomedical studies of two Pd complexes as well as Au and Ag complexes of 1-benzyl-3-tert-butylimidazol-2-ylidene are…”
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3
Predicting the DNP-SENS efficiency in reactive heterogeneous catalysts from hydrophilicity
Published in Chemical science (Cambridge) (2018)“…Identification of surfaces at the molecular level has benefited from progress in dynamic nuclear polarization surface enhanced NMR spectroscopy (DNP SENS)…”
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From Large 12-Membered Macrometallacycles to Ionic (NHC)2M+Cl− Type Complexes of Gold and Silver by Modulation of the N-Substituent of Amido-Functionalized N-Heterocyclic Carbene (NHC) Ligands
Published in Inorganic chemistry (19-05-2008)“…A series of structurally diverse gold and silver complexes extending from ionic (NHC)2M+Cl− (M = Au, Ag) type complexes to large 12-membered macrometallacycles…”
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Synthesis and Characterization of Cationic Tetramethyl Tantalum(V) Complex
Published in Catalysts (01-11-2018)“…A novel method for the synthesis of the homogeneous homoleptic cationic tantalum(V)tetramethyl complex [(TaMe4)+ MeB(C6F5)3−] from neutral tantalumpentamethyl…”
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Cationic Tungsten(VI) Penta-Methyl Complex: Synthesis, Characterization and its Application in Olefin Metathesis Reaction
Published in Oil & gas science and technology (01-03-2016)“…Tungsten-hexa-methyl readily reacts with B(C6F5)3 in dichloromethane and generates the corresponding well-defined cationic tungsten-penta-methyl complex which…”
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Single‐Site Molybdenum on Solid Support Materials for Catalytic Hydrogenation of N2‐into‐NH3
Published in Angewandte Chemie International Edition (26-11-2018)“…Very stable in operando and low‐loaded atomic molybdenum on solid‐support materials have been prepared and tested to be catalytically active for N2‐into‐NH3…”
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Reactive surface organometallic complexes observed using dynamic nuclear polarization surface enhanced NMR spectroscopy
Published in Chemical science (Cambridge) (01-01-2017)“…Dynamic Nuclear Polarization Surface Enhanced NMR Spectroscopy (DNP SENS) is an emerging technique that allows access to high-sensitivity NMR spectra from…”
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Unearthing a Well-Defined Highly Active Bimetallic W/Ti Precatalyst Anchored on a Single Silica Surface for Metathesis of Propane
Published in Journal of the American Chemical Society (08-03-2017)“…Two compatible organometallic complexes, W(Me)6 (1) and TiNp4 (2), were successively anchored on a highly dehydroxylated single silica support (SiO2−700) to…”
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WMe6 Tamed by Silica: Si–O–WMe5 as an Efficient, Well-Defined Species for Alkane Metathesis, Leading to the Observation of a Supported W–Methyl/Methylidyne Species
Published in Journal of the American Chemical Society (22-01-2014)“…The synthesis and full characterization of a well-defined silica-supported Si–O–W(Me)5 species is reported. Under an inert atmosphere, it is a stable material…”
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Synergy between Two Metal Catalysts: A Highly Active Silica-Supported Bimetallic W/Zr Catalyst for Metathesis of n‑Decane
Published in Journal of the American Chemical Society (13-07-2016)“…A well-defined, silica-supported bimetallic precatalyst [Si–O–W(Me)5Si–O–Zr(Np)3] (4) has been synthesized for the first time by successively grafting two…”
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Evidence for Metal–Surface Interactions and Their Role in Stabilizing Well-Defined Immobilized Ru–NHC Alkene Metathesis Catalysts
Published in Journal of the American Chemical Society (27-02-2013)“…Secondary interactions are demonstrated to direct the stability of well-defined Ru–NHC-based heterogeneous alkene metathesis catalysts. By providing key…”
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Rare [(NHC)2Ni-OH]-Type Terminal Nickel Hydroxo and [(NHC)2Ni]-Type Complexes of N/O-Functionalized N-Heterocyclic Carbenes as Precatalysts for Highly Desirable Base-Free Michael Reactions in Air at Ambient Temperature
Published in Organometallics (13-04-2009)“…Highly convenient base-free Michael reaction of β-dicarbonyl, β-keto ester, and α-cyano ester compounds with activated ethylene compounds in air at ambient…”
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Well-Defined Molybdenum Oxo Alkyl Complex Supported on Silica by Surface Organometallic Chemistry: A Highly Active Olefin Metathesis Precatalyst
Published in Journal of the American Chemical Society (15-02-2017)“…The well-defined silica-supported molybdenum oxo alkyl species (SiO−)MoO(CH2 t Bu)3 was selectively prepared by grafting of MoO(CH2 t Bu)3Cl onto partially…”
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Grafted metallo‐carbynes as bifunctional pre‐catalysts for ROMP of cyclo‐octene and cyclic alkane metathesis
Published in ChemCatChem (19-11-2020)“…: Metallo‐carbynes grafted on mesoporous fibrous silica are active towards alkane metathesis. We are comparing the activity of well‐defined grafted…”
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Metathesis of Classical and Functionalized Olefins Catalyzed by Silica‐Supported Single‐Site Well‐Defined W and Mo Pre‐catalysts
Published in ChemCatChem (04-12-2020)“…Olefin metathesis of α‐olefins (C6, C8, C10), α, β‐unsaturated ester, α, β‐ unsaturated acetate and cross‐metathesis of 1‐octene and ethyl 6‐heptenoate were…”
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Copper-free and amine-free Sonogashira coupling in air in a mixed aqueous medium by palladium complexes of N/ O-functionalized N-heterocyclic carbenes
Published in Journal of organometallic chemistry (01-10-2009)“…Highly convenient copper-free and amine-free Sonogashira coupling of aryl bromides and iodides with terminal acetylenes under amenable conditions in air and in…”
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Exploiting Confinement Effects to Tune Selectivity in Cyclooctane Metathesis
Published in ACS catalysis (06-10-2017)“…The mechanism of cyclooctane metathesis using confinement effect strategies in mesoporous silica nanoparticles (MSNs) is discussed by catalytic experiments and…”
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Effect of Support on Metathesis of n-Decane: Drastic Improvement in Alkane Metathesis with WMe5 Linked to Silica-Alumina
Published in Chemistry : a European journal (13-04-2015)“…[WMe6] (1) supported on the surface of SiO2–Al2O3(500) (2) has been extensively characterized by solid‐state NMR spectroscopy, elemental analysis, and gas…”
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Corrigendum: Molybdenum on Solid Support Materials for Catalytic Hydrogenation of N 2 -into-NH 3
Published in Angewandte Chemie International Edition (13-05-2019)Get full text
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