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Showing 61-80 of 10,000 results
  1. Carbon-hydrogen bond activation in bridging cyclobutadiene ligands in unsaturated binuclear vanadium carbonyl derivatives

    The structures and energetics of the binuclear cyclobutadiene vanadium carbonyls (C 4 H 4 ) 2 V 2 (CO) n ( n = 8, 7, 6, 5, 4, 3, 2) have been investigated by...

    Chongyao Song, Qifa Liu, ... R. Bruce King in Journal of Molecular Modeling
    Article 20 January 2022
  2. A DFT theoretical investigation on the interplay effects between cation-π and intramolecular hydrogen bond interactions in the mesalazine⋯Fe2+ binary complex

    A detailed study on mesalazine⋯Fe 2+ complex is performed using density functional theory calculations to show the interplay effects of cation–π and...

    Marziyeh Mohammadi, Fatemeh Hoseinpour, Azadeh Khanmohammadi in Theoretical Chemistry Accounts
    Article 13 July 2022
  3. Synthesis of a Novel Dinuclear Ruthenium(III) Ono Pincer Complex Containing a MM Bond: an XRD Study

    Abstract

    A novel dinuclear ruthenium(III) ONO pincer complex was synthesized from RuCl 3 ·H 2 O and 2,6-pyridinedicarboxylic acid (H 2 pydc) in methanol by...

    P. Jerome, S. Swaminathan, ... R. Karvembu in Journal of Structural Chemistry
    Article 29 November 2023
  4. Inclusion of thymol into cucurbiturils: density functional theory approach with dispersion correction and natural bond orbital analysis

    Stability of inclusion complexes of thymol (a natural flavour) with cucurbit[ n ]urils was interpreted by using density functional theory with...

    Kye-Ryong Sin, Chol-** Kim, ... Yong-Nam Pak in Journal of Inclusion Phenomena and Macrocyclic Chemistry
    Article 25 March 2022
  5. Exploring the Nanomechanical Properties of a Coordination-bond Based Supramolecular Polymer

    Due to their dynamic nature and strength tunability, metallo-supramolecular polymers have been introduced into various materials. The mechanical...

    Rui-**ang Yao, Jun-Juan Shi, ... Wen-Ke Zhang in Chinese Journal of Polymer Science
    Article 02 September 2022
  6. Halogen-bond-assisted radical activation of glycosyl donors enables mild and stereoconvergent 1,2-cis-glycosylation

    The chemistry of carbohydrates has a history of over 100 years, but simple, stereoselective and efficient glycosylation methods remain highly needed...

    Chen Zhang, Hao Zuo, ... Dawen Niu in Nature Chemistry
    Article 11 April 2022
  7. Zn-based metal–organic framework with intramolecular hydrogen bond for the electroreduction of CO2 to formate

    Metal–organic frameworks (MOFs) have important research value in the field of electrochemical CO 2 reduction reaction because of their rational...

    Minhong Yan, Ying Yang, ... Shengchang **ang in Journal of Solid State Electrochemistry
    Article 20 September 2023
  8. Dual-function enzyme catalysis for enantioselective carbon–nitrogen bond formation

    Chiral amines can be made by insertion of a carbene into an N–H bond using two-catalyst systems that combine a transition metal-based...

    Zhen Liu, Carla Calvó-Tusell, ... Frances H. Arnold in Nature Chemistry
    Article 18 October 2021
  9. Enantioselective Allylic C–H Bond Oxidation of Olefins Using Copper Complexes of Chiral Oxazoline Based Ligands

    This review article discusses historical and contemporary research studies of asymmetric allylic oxidation of olefins using homogeneous and...

    Saadi Samadi, Hamid Arvinnezhad, ... Shiva Majidian in Topics in Current Chemistry
    Article 10 March 2022
  10. Asymmetric 1,2-oxidative alkylation of conjugated dienes via aliphatic C–H bond activation

    The merging of transition-metal catalysis with radical chemistry offers a versatile platform for three-component difunctionalization of alkenes,...

    Lian-Feng Fan, Rui Liu, ... Liu-Zhu Gong in Nature Synthesis
    Article 03 November 2022
  11. Sequential bond energy, binding energy, and structures of \({\mathrm{\bf Be}}^{+}\cdot {\left({\mathrm{\bf H}}_{2}\right)}_{1-3}\) complexes

    The binding energy and structures of the Be cations with H 2 molecules are studied theoretically at the MP2/aug-cc-pVTZ method level. The structures...

    Jamal N Dawoud in Journal of Chemical Sciences
    Article 20 June 2023
  12. Radiationless deactivation pathways versus H-atom elimination from the N–H bond photodissociation in PhNH2-(Py)n (n = 1,2) complexes

    Minimum energy structures of the ground and lowest excited states of aniline (PhNH 2 ) solvated by pyridine (Py) show that the clusters formed are...

    Mounir Esboui, Jalloul Trabelsi in Photochemical & Photobiological Sciences
    Article 07 September 2022
  13. Molecular Chain Flexibility and Dielectric Loss at High-Frequency: Impact of Ester Bond Arrangement in Poly(ester imide)s

    The evolution of high-frequency communication has accentuated the significance of controlling dielectric properties in polymer media. Traditionally,...

    Ya-Dong Li, Hong Li, ... Jian Xu in Chinese Journal of Polymer Science
    Article 05 June 2024
  14. CoII immobilized on aminated mesoporous SBA-16 (SBA-16/GPTMS-NH2–CoII): a highly efficient mesostructured catalyst for the C–O bond formation under solvent-free conditions

    Herein an able, facile, coherent, and environmentally benign synthesis of the C–O coupling reaction based on the functionalized mesoporous silica...

    Melika Eftekhar, Iman Khosravi in Journal of Porous Materials
    Article 09 January 2023
  15. Controlled masking and targeted release of redox-cycling ortho-quinones via a C–C bond-cleaving 1,6-elimination

    Natural products that contain ortho -quinones show great potential as anticancer agents but have been largely discarded from clinical development...

    Lavinia Dunsmore, Claudio D. Navo, ... Gonçalo J. L. Bernardes in Nature Chemistry
    Article Open access 27 June 2022
  16. Introduction

    Molecular strain occurs when a molecule deviates from its ideal theoretical geometry. The strain is mainly classified into three types: steric strain...
    Chapter 2024
  17. Studies on bond relationship between energy of activation and catalytic activity of azomethine polymer framework enveloped over mesquite carbon hybrid composite electrodes for energy production applications

    In the contemporary research work, an effort has been accomplished to correlate the catalytic activity bond relation with surface area and activation...

    K. Arunkumar, V. Selvaraj, M. Alagar in Ionics
    Article 17 April 2023
  18. Use of N,N-Coordinating Ligands in Catalytic Asymmetric C--C Bond Formations: Example of Cyclopropanation, Diels--Alder Reaction, Nucleophilic Allylic Substitution

    Chiral N,N-coordinating ligands have been particularly synthesized for their use as metal chelates catalyzing asymmetric C-C bond formations....
    Chapter
  19. The branching angle effect on the properties of rigid dendrimers studied by Monte Carlo simulation

    We studied the properties of rigid dendrimers with different branching angles by means of Monte Carlo simulations on a coarse-grained level. It was...

    **angyao Peng, Linying Cheng, ... David R. M. Williams in Journal of Molecular Modeling
    Article 30 April 2021
  20. Engineering of a novel D–A type fluorophore with hydrogen bond-induced enhanced emission property for sensitively detecting endogenous HOCl in living cells and tissues

    Fluorescence imaging has been widely employed for biomedical research and clinical diagnostics. With ease of synthesis and excellent photophysical...

    Si-Min Wang, **aofeng Lou, ... **ao-Bing Zhang in Analytical and Bioanalytical Chemistry
    Article 28 January 2023
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