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Showing 61-80 of 6,234 results
  1. Anti-corrosive properties of novel nano-B/N/S-doped and heterocycle-functionalized carbon dots: a combined DFT and MD simulation study

    In this work, two series of new potential nano-carbon dots (CDs) inhibitors with different sizes (series A: five rings; series B: ten rings), doped...

    Qiong Wu, Wanqiu Li, ... Weihua Zhu in Chemical Papers
    Article 13 June 2024
  2. DFT Study of (1R,2R,4R)-Limonene-1,2-Diol Synthesized by Hydrolysis of cis and trans Limonene Oxide

    Abstract

    In this study, we investigate the reaction between water and the cis and trans limonene oxide mixture in the presence of ethyl carbamate (( R )-...

    A. Nassri, M. M. El Hammoumi, ... A. Touimi Benjelloun in Journal of Structural Chemistry
    Article 01 May 2024
  3. Reactivity of Inorganic α-Nucleophiles in Acyl Transfer Processes in Water and Surfactant Micelles: III. Systems Based on Dimeric Cationic Imidazolium Surfactants in Alkaline Hydrolysis of Ethyl 4-Nitrophenyl Ethylphosphonate

    Abstract

    The kinetics of alkaline hydrolysis of ethyl 4-nitrophenyl ethylphosphonate in micelles formed by cationic dimeric imidazolium...

    I. A. Belousova, T. M. Zubareva, ... V. A. Mikhailov in Russian Journal of Organic Chemistry
    Article 01 March 2021
  4. Regio- and stereoselectivity of [3+2] cycloaddition reactions between (Z)-1-(anthracen-9-yl)-N-methyl nitrone and analogs of trans-β-nitrostyrene on the basis of MEDT computational study

    The regio- and stereoselectivity of [3+2] cycloaddition reactions of ( Z )-1-(anthracen-9-yl)- N -methyl nitrone with analogs of trans -β-nitrostyrene...

    Karolina Kula, Mikołaj Sadowski in Chemistry of Heterocyclic Compounds
    Article 01 March 2023
  5. Evaluation of the Reactivity of Cyclohexanone СН Bonds in Reactions with tert-Butylperoxy Radical by Quantum Chemical Methods

    Abstract

    The effective charges on hydrogen and carbon atoms and the Fukui functions for the electrophilic and radical attacks for the hydrogen atoms...

    S. V. Puchkov, Yu. V. Nepomnyashchikh in Kinetics and Catalysis
    Article 01 July 2021
  6. Prediction of the Anticancer Activity of the Fullerene Nanostructure’s Derivatives: DFT Calculations

    Abstract

    In this work, the [2 + 2] cycloaddition of fullerenes with the carcinogen BaPe was examined using the DFT method, with the aim of inhibiting...

    Hafida Chemouri, Nadjet Deddouche, ... Hassina Derbal Habak in Theoretical Foundations of Chemical Engineering
    Article 01 October 2023
  7. Theoretical analysis of mechanism and regio- and stereoselectivity of 1, 3-dipolar cycloaddition of cyclic nitrone and substituted alkenes by DFT method

    This study presents a theoretical investigation of the [3 + 2] cycloaddition (32CA) reaction between cyclic nitrone a1 and substituted alkene b1 . The...

    Samir Bouacha in Structural Chemistry
    Article 14 February 2024
  8. Investigation of the appropriateness of using ethoxychelerythrine as a representative quality marker of Zanthoxylum nitidum

    Quaternary benzo[c]phenanthridine alkaloids (QBAs), such as chelerythrine (CHE) and nitidine (NIT), represent the important components to exert the...

    Dingbang An, Qiyan Lin, ... Changhong Wang in JPC – Journal of Planar Chromatography – Modern TLC
    Article 14 February 2023
  9. Reactivity of Inorganic α-Nucleophiles in Acyl Transfer in Aqueous and Micellar Media: IV. Peroxyhydrolysis of Acyl Derivatives in Organized Microheterogeneous Systems1

    Abstract

    The micellar effects in the perhydrolysis and base-catalyzed hydrolysis of 4-nitrophenyl esters of phosphoric, phosphonic, and...

    M. K. Turovskaya, I. A. Belousova, ... V. A. Mikhailov in Russian Journal of Organic Chemistry
    Article 01 February 2024
  10. The intelligence way of economical synthesis strategies of an N-alkylcarbazole

    The alkaloid carbazole is one of the relevant structural motifs in drug discovery. Indeed, carbazoles have been largely investigated for their...

    Mohamed Jabha, Mohammed El Mesky, ... Ahmad Oubair in Structural Chemistry
    Article 15 August 2023
  11. Investigation of the [3 + 2] cycloaddition reaction of 3-phenacylbenzothiazolium ylide and 3-nitrochromene using molecular electron density theory

    In this study, it was investigated the [3 + 2] cycloaddition reaction between 3-phenacylbenzothiazolium ylide and 3-nitro-2-p-tolyl-2H-chromene using...

    Mousa Soleymani, Hossein Dashti Khavidaki in Theoretical Chemistry Accounts
    Article 21 December 2023
  12. Computational insight of repurpose drug for treatment of COVID-19: a CDFT approach

    The COVID-19 is recognized as one of the deadly disease in the history of human life. It is caused by the severe acute respiratory syndrome...

    Prabhat Ranjan, Tanmoy Chakraborty in Theoretical Chemistry Accounts
    Article 27 December 2023
  13. Synthesis, crystal structures, and theoretical studies on bio-pertinent disulfides derived from methyl thiosalicylate and furan-2-thiocarboxylic acid and their interaction with native human lysozymes

    Aromatic substituted thiol and aromatic 2-furoylthiocarboxylic acid were catalytically oxidized into corresponding disulfides, dimethyl...

    Krishna Kumar, Anil Kumar Vishwkarma, ... Subrato Bhattacharya in Chemical Papers
    Article 21 March 2024
  14. Antioxidant capacity of simplified oxygen heterocycles and proposed derivatives by theoretical calculations

    Context

    Some structural properties can be involved in the antioxidant capacity of several polyphenol derivatives, among them their simplified...

    Rosivaldo S. Borges, Christiane P. O. Aguiar, ... Albérico B. F. da Silva in Journal of Molecular Modeling
    Article 06 July 2023
  15. Molecular docking, expounding the chemo-, regio-selectivity, and the mechanism of [3 + 2] cycloloaddition reaction between nitrile-imine and (thio)-chalcone

    The study explores the application of molecular electron density theory, focusing on the [2 + 3] cycloaddition mechanisms between nitrile-imine and...

    Kamal Ryachi, Mohammed El idrissi, ... Abdessamad Tounsi in Monatshefte für Chemie - Chemical Monthly
    Article 13 June 2024
  16. Poly(ether)s derived from oxa-Michael polymerization: a comprehensive review

    Poly(ether)s represent an important class of polymers and are typically formed by ring-opening polymerization, Williamson ether synthesis, or...

    Karin Ratzenböck, Susanne M. Fischer, Christian Slugovc in Monatshefte für Chemie - Chemical Monthly
    Article Open access 29 March 2023
  17. Nucleophilic Addition to Amides Toward Efficient Total Synthesis of Complex Alkaloids

    Nucleophilic addition to amides has been recognized as a promising transformation for the total synthesis of polycyclic alkaloids. The reaction...
    Chapter 2023
  18. A computational study into the mechanism and selectivities of the reaction of 1, 1-diaryl-2-isopropylidene-3-methylenecyclopropane (DIMCP) with C, N-diarylnitrone

    The site- and regioselectivities of the [3 + 2] cycloaddition (32CA) reactions of C, N-diarylnitrone [ B2 ] with 1,...

    Emmanuel Komla Oyetey, Caroline R. Kwawu, ... Evans Adei in Theoretical Chemistry Accounts
    Article 29 May 2024
  19. DFT Studies on Mechanism of Organocatalytic Metal-Free Click 32CA Reaction for Synthesis of NH-1,2,3-triazoles

    The mechanism of enamine-mediated organocatalytic [3 + 2] cycloaddition (32CA) reaction of Hagemann’s ester to p -toluenesulfonyl azide in the present...

    Mohammad Abd Al-Hakim Badawi, Maha I. Al-Zaben, Renjith Thomas in Catalysis Letters
    Article 05 June 2023
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