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Ultrasound-assisted Cu(II) Strecker-functionalized organocatalyst for green azide–alkyne cycloaddition and Ullmann reactions
A new aminonitrile-functionalized Fe 3 O 4 has been synthesized via the Strecker reaction, the designed aminonitrile ligand on the surface of the...
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CO2 cycloaddition reaction at ambient temperature and pressure over metal organic framework catalysts
Valorisation of CO 2 via cycloaddition reactions to value added cyclic carbonates is a desirable, however, challenging technique owing to the chemical...
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Valence-isomer selective cycloaddition reaction of cycloheptatrienes-norcaradienes
The rapid and precise creation of complex molecules while controlling multiple selectivities is the principal objective in synthetic chemistry....
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Effect of hydrogen bonds and CF3 group on the regioselectivity and mechanism of [3 + 2] cycloaddition reactions between nitrile oxide and 2,4-disubstituted cyclopentenes. A MEDT study
The mechanism and the regioselectivity of the non-polar [3 + 2] cycloaddition reactions between nitrile oxide and two cyclopentenes were...
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The [3+2] cycloaddition reaction as an attractive way for the preparation of nicotine analogs (microreview)
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Crystal facet-dependent CO2 cycloaddition to epoxides over ZnO catalysts
With regard to green chemistry and sustainable development, the fixation of CO 2 into epoxides to form cyclic carbonates is an attractive and...
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Synthesis of Aromatic Polyamidines by the [2+2]-Cycloaddition Reaction
AbstractAromatic polyamidines based on 4,4′-diphenylmethane diisocyanate and bisamides have been synthesized and studied. The one-step reaction of...
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ADME Study, Molecular Docking, Elucidating the Selectivities and the Mechanism of [4 + 2] Cycloaddition Reaction Between (E)-N ((dimethylamino)methylene)benzothioamide and (S)-3-acryloyl-4-phenyloxazolidin-2-one
The molecular electron density theory (MEDT) was employed to examine the [4 + 2] cycloaddition reaction between (E)- N -((dimethylamino)methylene)benzot...
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Organocatalytic Diastereoselective Synthesis of Spiro[3-azabicyclo[3.1.0]hexanes] via 1,3-Dipolar Cycloaddition of Azomethine Ylides with Cyclopropenes
AbstractA three-component organocatalytic reaction of 1,3-dipolar cycloaddition between the in situ generated azomethine ylides and 3-substituted...
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Synthesis of Spiro-Oxindole-Pyrrolidines via [3 + 2]-Cycloaddition of Non-stabilized Azomethine Ylide
AbstractA representative series of 12 spiro-pyrrolidine-fused oxindoles have been synthesized via [3+2]-cycloaddition of nonstabilized azomethine...
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Unveiling the mechanism, selectivity, solvent and temperature effects on the [3 + 2] cycloaddition reaction of N-methyl-C-(2-furyl) nitrone with maleimide derivatives from the molecular electron density theory perspective
The [3 + 2] cycloaddition (32CA) reactions of N -methyl-C-(2-furyl) nitrone with maleimide derivatives have been studied in gas phase, ethanol and...
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MCM-41 supported quaternary ammonium ionic liquids as an effective heterogeneous catalyst for CO2 cycloaddition reaction
Ionic liquid immobilization is an effective means for preparing metal-free heterogeneous catalysts for the CO 2 conversion. Herein, a series of...
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Theoretical investigation of the regio-, enantio-, and stereo-selectivities of the (3 + 2) cycloaddition reactions of N-vinylindoles with nitrones and nitrile oxides
The 1,3-dipolar cycloadditions of nitrones and nitrile oxides to N -vinylindole afford isoxazolidines and 5-indolyl-substituted isoxazolines which are...
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Synthesis of metal-free benzimidazole-based catalysts and its application in CO2 cycloaddition
Ionic polymers functionalized with hydroxyl, carboxyl, and amino groups can enhance the catalytic activity of catalysts. However, the straightforward...
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Diastereoselective green synthesis of pyrrolo[1,2-a]quinolines via [3+2] cycloaddition reaction: insights from molecular electron density theory
The [3+2] cycloaddition (32CA) reaction between cyclic azomethine ylide (generated from N -phenacylquinolinium bromide) and N -arylmaleimide, leading...
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A molecular electron density theory study of mechanism and selectivity of the intramolecular [3+2] cycloaddition reaction of a nitrone–vinylphosphonate adduct
The selectivity and the molecular mechanism of the intramolecular [3+2] cycloaddition reaction of a nitrone–vinylphosphonate adduct was...
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Polyoxometalates coupled covalent organic frameworks as highly active photothermal nanoreactor for CO2 cycloaddition
Covalent organic frameworks (COFs)-based nanoreactors have attracted broad interest in many fields due to their void-confinement effects. However,...
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Exploring the factors controlling the mechanism and the high stereoselectivity of the polar [3+2] cycloaddition reaction of the N,N'-cyclic azomethine imine with 3-nitro-2-phenyl-2H-chromene. A molecular electron density theory study
A molecular electron density theory study of the [3+2] cycloaddition reaction of 5-oxo-2-(phenylmethylidene)pyrazolidin-2-ium-1-ide, a simple...
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Domino Heck-Pericyclic Reactions
Palladium-catalyzed cross-coupling reactions and cycloadditions as well as electrocyclic transformations can efficiently be combined in one-pot... -
Unveiling [3 + 2] cycloaddition reactions of benzonitrile oxide and diphenyl diazomethane to cyclopentene and norbornene: a molecular electron density theory perspective
A molecular electron density theory (MEDT) study is performed for the [3 + 2] cycloaddition (32CA) reactions of benzonitrile oxide (BNO) and...