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Kwame Nkrumah University of Science and Technology: Kumasi, Ashanti, GH

Associate Professor (Chemistry)
Employment
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Evans Adei

Works (13)

A DFT Mechanistic Study of the Regio-, Chemo-, and Stereo- Selectivities of the (3 + 2) Cycloaddition of Diarylnitrone Derivatives with 1-(4-Nitrophenyl)-5H-Pyrrolin-2-One

Journal of Chemistry
2023-07-01 | Journal article
DOI: 10.1155/2023/6375973
Contributors: Sylvia Adomako; Joshua Atta-Kumi; Cecil H. Botchway; Richard Tia; Evans Adei; Albert Aniagyei; Arun Suneja
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Exploring the peri- and stereo- selectivities of the cycloaddition reaction of 2-(2- dimethylaminovinyl)-1-benzopyran-4-one with N-phenylmaleimide (NPM) and dimethylacetylenedicarboxylate (DMAD) - A DFT study

Journal of Molecular Graphics and Modelling
2023-06 | Journal article
DOI: 10.1016/j.jmgm.2023.108451
Contributors: Richmond Arhin; Isaac Ofori; Anthony Fosu; Richard Tia; Evans Adei; Albert Aniagyei
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A quantum mechanistic insight into the chemo- and regio-selective [3 + 2]-cycloaddition reaction of aryl hetaryl thioketones with diazoalkanes and nitrile oxide derivatives

Journal of Molecular Graphics and Modelling
2023-05 | Journal article
DOI: 10.1016/j.jmgm.2023.108418
Contributors: Gabriel Amankwah; Isaac Ofori; Joshua Atta-Kumi; Caroline R. Kwawu; Richard Tia; Evans Adei
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A DFT study of the double (3 + 2) cycloaddition of nitrile oxides and allenoates for the formation of spirobiisoxazolines

Journal of Molecular Graphics and Modelling
2021-12 | Journal article
DOI: 10.1016/j.jmgm.2021.108033
Contributors: Isaac Ofori; George Baffour Pipim; Richard Tia; Evans Adei
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Does the reaction of nitrone derivatives with allenoates proceed by an initial (3 + 2) cycloaddition or O-Nucleophilic addition? A quantum chemical investigation

Journal of Molecular Graphics and Modelling
2021-12 | Journal article
DOI: 10.1016/j.jmgm.2021.108036
Contributors: Anthony Fosu; George Baffour Pipim; Richard Tia; Evans Adei
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Crossref

Investigating the site-, regio-, and stereo-selectivities of the reactions between organic azide and 7-heteronorbornadiene: a DFT mechanistic study

Journal of Molecular Modeling
2021-09 | Journal article
DOI: 10.1007/s00894-021-04857-3
Contributors: Joshua Atta-Kumi; George Baffour Pipim; Richard Tia; Evans Adei
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Quantum chemical investigation of the formation of spiroheterocyclic compounds via the (3 + 2) cycloaddition reaction of 1-methyl-3-(2,2,2-trifluoroethylidene) pyrrolidin-2-one with diazomethane and nitrone derivatives

Tetrahedron
2021-08 | Journal article
DOI: 10.1016/j.tet.2021.132306
Contributors: George Baffour Pipim; Richard Tia; Evans Adei
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Crossref

(3 + 2) cycloaddition reaction of 7-isopropylidenebenzonorbornadiene and diazomethane derivatives: A theoretical study

Journal of Molecular Graphics and Modelling
2020-12 | Journal article
DOI: 10.1016/j.jmgm.2020.107713
Contributors: George Baffour Pipim; Richard Tia; Evans Adei
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Computational study on the mechanism of the reaction of benzenesulfonyl azides with oxabicyclic alkenes

Journal of Molecular Modeling
2020-11 | Journal article
DOI: 10.1007/s00894-020-04582-3
Contributors: Daniel Aboagye Akuamoah; Richard Tia; Evans Adei
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Investigating the regio-, stereo-, and enantio-selectivities of the 1,3-dipolar cycloaddition reaction of C-cyclopropyl-N-phenylnitrone derivatives and benzylidenecyclopropane derivatives: A DFT study

Journal of Molecular Graphics and Modelling
2020-11 | Journal article
DOI: 10.1016/j.jmgm.2020.107672
Contributors: George Baffour Pipim; Richard Tia; Evans Adei
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1,3-Dipolar cycloaddition reaction of indoles with tosyl azide, subsequent dehydroaromatization and ring-opening cascade: a computational study

Theoretical Chemistry Accounts
2020-08 | Journal article
DOI: 10.1007/s00214-020-02653-5
Contributors: Daniel Aboagye Akuamoah; Ernest Opoku; Richard Tia; Evans Adei
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Crossref

Peri-, Chemo-, Regio-, Stereo- and Enantio-Selectivities of 1,3-dipolar cycloaddition reaction of C,N-Disubstituted nitrones with disubstituted 4-methylene-1,3-oxazol-5(4H)- one: A quantum mechanical study

Journal of Molecular Graphics and Modelling
2020-06 | Journal article
DOI: 10.1016/j.jmgm.2020.107542
Contributors: George Baffour Pipim; Ernest Opoku; Richard Tia; Evans Adei
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Crossref

[3 + 2] versus [2 + 2] Addition: A Density Functional Theory Study on the Mechanistic Aspects of Transition Metal-Assisted Formation of 1,2-Dinitrosoalkanes

Journal of Chemistry
2016 | Journal article
DOI: 10.1155/2016/4538696
Contributors: Ernest Opoku; Richard Tia; Evans Adei
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