NMR calculations with quantum methods: development of new tools for structural elucidation and beyond
MO Marcarino, MM Zanardi, S Cicetti… - Accounts of Chemical …, 2020 - ACS Publications
… structural elucidation to our efforts to understand their scope and limitations in the in silico
assignment and revisions of structures … (CASE) expert systems coupled with DFT calculations …
assignment and revisions of structures … (CASE) expert systems coupled with DFT calculations …
Enhancing computer‐assisted structure elucidation with DFT analysis of J‐couplings
AV Buevich, ME Elyashberg - Magnetic Resonance in …, 2020 - Wiley Online Library
… As such, we believe that the addition of the DFT calculations of J-couplings to the CASE
expert systems should further improve the robustness of the CASE algorithm and thus help to …
expert systems should further improve the robustness of the CASE algorithm and thus help to …
Tailoring, structural elucidation, DFT calculation, DNA interaction and pharmaceutical applications of some aryl hydrazone Mn (II), Cu (II) and Fe (III) complexes
AM Abu-Dief, RM El-khatib, SM El Sayed… - … of Molecular Structure, 2021 - Elsevier
… Calculations based on Density Functional Theory (DFT) were used and offered a satisfactory
explanation to better understands the electronic and structural properties of these metal …
explanation to better understands the electronic and structural properties of these metal …
Synergistic combination of CASE algorithms and DFT chemical shift predictions: a powerful approach for structure elucidation, verification, and revision
AV Buevich, ME Elyashberg - Journal of natural products, 2016 - ACS Publications
… the DFT calculations could improve the empirical CASE structure elucidation algorithm …
latter approach had difficulties in determining a single structure. To check this hypothesis, three …
latter approach had difficulties in determining a single structure. To check this hypothesis, three …
Towards unbiased and more versatile NMR‐based structure elucidation: A powerful combination of CASE algorithms and DFT calculations
AV Buevich, ME Elyashberg - Magnetic Resonance in …, 2018 - Wiley Online Library
… However, CASE applications are generally limited to structural isomer problems and can …
and density functional theory calculations that broadens the range of amenable structural …
and density functional theory calculations that broadens the range of amenable structural …
Computer assisted structure elucidation (CASE): current and future perspectives
M Elyashberg, D Argyropoulos - Magnetic Resonance in …, 2021 - Wiley Online Library
… [ 110 ] conclude that these results suggest that DFT calculations of coupling constants
are accurate enough for use in structure elucidation, even for heterocycles and bridged ring …
are accurate enough for use in structure elucidation, even for heterocycles and bridged ring …
Synthesis, structural elucidation, DFT calculation, biological studies and DNA interaction of some aryl hydrazone Cr3+, Fe3+, and Cu2+ chelates
AM Abu-Dief, RM El-Khatib, FS Aljohani… - … Biology and Chemistry, 2022 - Elsevier
… Density Functional Theory (DFT) computations were used and provided a reasonable
explanation for these metal chelates' electrical and structural features. Furthermore, investigations …
explanation for these metal chelates' electrical and structural features. Furthermore, investigations …
The role of computer-assisted structure elucidation (CASE) programs in the structure elucidation of complex natural products
DC Burns, EP Mazzola, WF Reynolds - Natural product reports, 2019 - pubs.rsc.org
… 3D structures is also described. Other types of computer assistance for structure elucidation
… the increasing use of theoretical DFT calculations to determine 3D structures and to predict …
… the increasing use of theoretical DFT calculations to determine 3D structures and to predict …
Vibrational analysis as a powerful tool in structure elucidation of polyarsenicals: a DFT-based investigation of arsenicin A
G Guella, I Mancini, G Mariotto, B Rossi… - Physical Chemistry …, 2009 - pubs.rsc.org
… In our opinion, this discrepancy is not due to a shortcoming of DFT calculations, but rather
to changes occurring in the preparation of arsenicin A samples. Polymorphism phenomena …
to changes occurring in the preparation of arsenicin A samples. Polymorphism phenomena …
Structural Elucidation by NMR Analysis Assisted by DFT Calculations of a Novel Natural Product from Conchocarpus Mastigophorus (Rutaceae)
… Structural elucidation of a new natural product is the first step towards understanding its …
complete structure elucidation of these natural products, using NMR and DFT calculations …
complete structure elucidation of these natural products, using NMR and DFT calculations …
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