Search Results - "Opoku, Ernest"

Quantum chemical study on the mechanism and selectivity of [3 + 2] cycloaddition reactions of aryl nitrile oxides with furanone by Abdullah, Harun, Opoku, Ernest

“…The mechanism, regio-, chemo-, diastereo-, stereo- and enantio-selectivity of the [3 + 2] cycloaddition reaction of aryl nitrile oxides with…”
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Mechanistic studies on stereoselective domino [4 + 2]/retro[3 + 2]/[3 + 2] cycloaddition reactions of oxadiazoles with strained and unstrained cycloalkenes by Umar, Abdul Rashid, Opoku, Ernest

“…This work reports a systematic mechanistic study on the domino cycloaddition reaction of symmetric and asymmetric 1,3,4 oxadiazoles OD and substituted variants…”
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Unveiling the molecular mechanisms of the cycloaddition reactions of aryl hetaryl thioketones and C,N-disubstituted nitrilimines by Pipim, George Baffour, Opoku, Ernest

“…Many synthetic routes to constructing biologically active heterocyclic compounds are made feasible through the (3 + 2) cycloaddition (32CA) reactions. Due to a…”
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1,3-Dipolar cycloaddition reaction of indoles with tosyl azide, subsequent dehydroaromatization and ring-opening cascade: a computational study by Akuamoah, Daniel Aboagye, Opoku, Ernest, Tia, Richard, Adei, Evans

“…The mechanism of the reaction of N -methylindoles with tosyl azide to afford 3-diazoindolin-2-imines and 2-iminoindolines has been studied computationally at…”
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Mechanistic elucidation of the tandem Diels–Alder/(3 + 2) cycloadditions in the design and syntheses of heterosteroids by Donkor, Benedicta, Umar, Abdul Rashid, Opoku, Ernest

“…The potential of azasteroids as novel drug candidates has prompted numerous studies towards the syntheses of heterosteroidal skeletons. The preparation of…”
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Site-, enantio- and stereo-selectivities of the 1,3-dipolar cycloaddition reactions of oxanorbornadiene with C,N-disubstituted nitrones and dimethyl nitrilimines: a DFT mechanistic study by Opoku, Ernest, Arhin, Grace, Pipim, George Baffour, Adams, Anita Houston, Tia, Richard, Adei, Evans

“…1,3-Dipolar cycloaddition of nitrones to oxanorbornadienes is an important method for the enantioselective synthesis of highly substituted 5-membered…”
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Participatory communication in the provision of development services in the Ghanaian decentralised government system: evidence from the Central Region by Odoom, Daniel, Dick-Sagoe, Christopher, Opoku, Ernest, Obeng-Baah, Joseph

“…This paper explores citizens’ views regarding the application of participatory communication in the delivery of development services within the decentralised…”
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The Correlates of Financial Dollarization in Ghana by Acheampong, Kennedy, Opoku, Ernest, Suryadi, Edi, -Okyireh, Theodore Oduro

“…This study aimed to investigate the correlation between the dollarization of Ghana's finances. The objects of this study are real output, interest rate…”
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[3 + 2] versus [2 + 2] Addition: A Density Functional Theory Study on the Mechanistic Aspects of Transition Metal-Assisted Formation of 1,2-Dinitrosoalkanes by Opoku, Ernest, Adei, Evans, Tia, Richard

“…The pathways for the transition metal-assisted formation of 1,2-dinitrosoalkane complexes of cobalt and its congeners, have been studied using DFT/M06 with the…”
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A Randomized Controlled Trial of Extended Intermittent Preventive Antimalarial Treatment in Infants by Kobbe, Robin, Kreuzberg, Christina, Adjei, Samuel, Thompson, Benedicta, Langefeld, Iris, Thompson, Peter Apia, Abruquah, Harry Hoffman, Kreuels, Benno, Ayim, Matilda, Busch, Wibke, Marks, Florian, Amoah, Kwado, Opoku, Ernest, Meyer, Christian G., Adjei, Ohene, May, Jürgen

“…Background. Intermittent preventive antimalarial treatment in infants (IPTi) with sulfadoxine-pyrimethamine reduces falciparum malaria and anemia but has not…”
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Patient safety and health information technology conceptual framework by Opoku-Agyemang, Ernest, Dordunoo, Dzifa, Ahmelich, Ashley, Jett Carey, Mallidou, Anastasia A, | |

“…Health information technology (HIT) refers to the deployment of electronic systems health care professionals and patients use to store, share, and analyze…”
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Using community health workers in community-based growth promotion: what stakeholders think by Afulani, Patience A., Awoonor-Williams, John K., Opoku, Ernest C., Asunka, Joseph

“…The Nutrition and Malaria Control for Child Survival Project is a community-based growth promotion project that utilizes Community Health Workers (CHWs),…”
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Quantum chemical analysis of the molecular mechanism and selectivity of the 32CA reaction of nitrile oxides with 5-(ethylthio) furan-2(5H)-ones and N-substituted-2-azanorborn-5-ene by Abdullah, Harun, Opoku, Ernest

“…[Display omitted] •The mechanism and the selectivities of the [3 + 2] cycloaddition reaction of acetonitrile oxides with 5-(ethylthio) furan-2(5H)-ones and…”
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Genome-wide linkage analysis of malaria infection intensity and mild disease by Timmann, Christian, Evans, Jennifer A, König, Inke R, Kleensang, André, Rüschendorf, Franz, Lenzen, Julia, Sievertsen, Jürgen, Becker, Christian, Enuameh, Yeetey, Kwakye, Kingsley Osei, Opoku, Ernest, Browne, Edmund N L, Ziegler, Andreas, Nürnberg, Peter, Horstmann, Rolf D

“…Although balancing selection with the sickle-cell trait and other red blood cell disorders has emphasized the interaction between malaria and human genetics,…”
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Impact of combined intermittent preventive treatment of malaria and helminths on anaemia, sustained attention, and recall in Northern Ghanaian schoolchildren by Opoku, Ernest Cudjoe, Olsen, Annette, Browne, Edmund, Hodgson, Abraham, Awoonor-Williams, John K., Yelifari, Lawrence, Williams, John, Magnussen, Pascal

“…The benefits of integrated control of malaria, schistosomiasis, and soil-transmitted helminth infections have not been fully explored in Ghanaian…”
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Quantum chemical studies on the mechanistic aspects of tandem sequential cycloaddition reactions of cyclooctatetraene with ester and nitrones by Opoku, Ernest, Tia, Richard, Adei, Evans

“…The mechanisms of the tandem sequential [4 + 2]/[3 + 2] and [3 + 2]/[4 + 2] cycloaddition sequences involving an ester, cyclooctatetraene (COTE), and cyclic…”
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Theoretical studies on cycloaddition reactions of N-allyl substituted polycyclic Isoindole-1,3-dione with nitrones and nitrile oxides by Donkor, Benedicta, Opoku, Ernest, Aniagyei, Albert

“…[Display omitted] •The reaction of norbornene imide A and nitrile oxides may occur at either of the CC.•32CA of A and nitrones takes place at the CC bond in…”
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Mechanistic details of domino [3+2] cycloaddition/[3,3] sigmatropic shift reactions of N-vinyl nitrones with isocyanates by Umar, Abdul Rashid, Donkor, Benedicta, Opoku, Ernest

“…[Display omitted] •Formation of dioxazolidine occurs via a either a one-step or stepwise mechanism.•The rearrangement of the dioxazolidine takes place through…”
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Correction to “Electron-Propagator Self-Energies versus Improved GW100 Vertical Ionization Energies” by Opoku, Ernest, Pawłowski, Filip, Ortiz, J. V.

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Electron Propagator Theory of Vertical Electron Detachment Energies of Anions: Benchmarks and Applications to Nucleotides by Opoku, Ernest, Pawłowski, Filip, Ortiz, J. V.

“…A new generation of ab initio electron-propagator self-energy approximations that are free of adjustable parameters is tested on a benchmark set of 55 vertical…”
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