Výsledky vyhledávání - "Ali Hashem Essa"

Akademický článek

T-grafting BODIPY-Based Photosensitizers: The Synthesis of 2,6-Diethylacrylic-8-(o-methoxyphenyl)BODIPY and Its DSSC Performance

Autor: Reinner Ishaq Lerrick, Wastiana Bere, Meliana Da Silva Braga, Agus Supriyanto, Ali Hashem Essa

Publikováno v: Indonesian Journal of Chemistry, Vol 23, Iss 1, Pp 232-241 (2023)

A new T-grafting photosensitizer of Dye-Sensitized Solar Cell (DSSC) has been developed by aligning Donor-Acceptor (D-A) group in an axially chiral BODIPY. Synthesis of the dye was conducted over a linear approach involving one-pot, non-oxidative syn

Externí odkaz: https://doaj.org/article/c78dc1c77a6a4bc5936e2a86e1ee4629

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Akademický článek

Analysis of the structural and electronic properties of 1-(5-Hydroxymethyl - 4 –[ 5 – (5-oxo-5-piperidin-1-yl-penta- 1,3dienyl)-benzo[1,3]dioxol-2-yl] -tetrahydro-furan-2-yl)-5- methyl-1H-pyrimidine-2,4dione molecule

Autor: Ali Hashem Essa, A. F. Jalbout

Publikováno v: Eclética Química, Vol 33, Iss 1, Pp 71-76 (2018)

The structural and electronic properties of 1-(5-Hydroxymethyl - 4 –[ 5 – (5-oxo-5-piperidin- 1 -yl-penta- 1,3 -dienyl)-benzo [1,3] dioxol- 2 -yl]- tetrahydro -furan-2 -yl)-5-methy l-1Hpyrimidine-2,4dione (AHE) molecule have been investigated the

Externí odkaz: https://doaj.org/article/6f7f494bca9d42dab11c540f5fd85a5a

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Akademický článek

Spectroscopic analysis of C80 doping with group III and group V elements using semiempirical PM3 molecular modelling technique

Autor: Medhat Ibrahim, Hanan ElHaes, Ali Jameel Hameed, Ali Hashem Essa

Publikováno v: Eclética Química, Vol 33, Iss 1, Pp 21-27 (2018)

Semiempirical calculations at the level of PM3 of theory were carried out to study the structural and electronic properties of C80 and some of its doped derivatives with the elements of group III and V at the level of PM3 of theory. We have selected

Externí odkaz: https://doaj.org/article/b951085e23db4c61a31118ab30384a6b

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Akademický článek

Theoretical investigation of 3'-substituted-2'-3'-dideoxythymidines related to AZT. SAR, infrared and substituent electronic effect studies

Autor: Ali Hashem Essa, Medhat Ibrahim, Ali Jameel Hameed, Najim A. Al-Masoudi

Publikováno v: ARKIVOC, Vol 2008, Iss 13, Pp 255-265 (2008)

Externí odkaz: https://doaj.org/article/133db68933a24a10b568c181a51c4af2

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Synthesis and conformational analysis of new arylated-diphenylurea derivatives related to sorafenib drug via Suzuki-Miyaura cross-coupling reaction

Autor: Peter Langer, Bahjat A. Saeed, Najim A. Al-Masoudi, Ali Hashem Essa, Ahmed A. S. Alwaaly

Publikováno v: Journal of Molecular Structure. 1146:522-529

Sorafenib, is a relatively new cytostatic drug approved for the treatment of renal cell and hepatocellular carcinoma. The development of new sorafenib analogues offers the possibility of generating structures of increased potency. To this end, a seri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8bf030070a14d5526a63f93ca6c6e28
https://doi.org/10.1016/j.molstruc.2017.06.028

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Grignard-mediated reduction of 2,2,2-trichloro-1-arylethanones

Autor: Eçe Çiftçi, Paul G. Waddell, Michael J. Hall, Ross W. Harrington, William Clegg, Reinner I. Lerrick, Ali Hashem Essa

Publikováno v: Organic & Biomolecular Chemistry. 13:5793-5803

2,2,2-Trichloro-1-aryl-ethanones can be reduced by RMgX to the corresponding 2,2-dichloro-1-arylethen-1-olates and trapped with a range of electrophiles resulting in either reduction, reduction/aldol, reduction/Claisen condensation or reduction/aldol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee95577f4bccf330bcbc2c13f60d60fb
https://doi.org/10.1039/c5ob00541h

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Investigation of the Structures and Electronic Properties of 3'-(4-(5-Oxo-5-piperidin-1-yl)-penta-1,3-dienyl)benzo[d][1,3]dioxol-2-yl]Thymidine through DFT Calculations

Autor: Ali Hashem Essa, M. A. N. Al-Magmoy, Ali Jameel Hameed

Publikováno v: Journal of Scientific Research. 3:339-345

The structural and electronic properties of 3'(4-(5-oxo-5-piperidin1-1-yl)penta-1,3-dienyl)benzo[d][1,3]dioxol-2-yl]-thymidine molecule have been investigated theoretically by performing density functional theory (DFT/3-21G*, 6-31G* and 6-31G**). The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1124ff868e347f8bcc5318fb02aa5a1e
https://doi.org/10.3329/jsr.v3i2.6364

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Substituent Electronic Effects on the Mulliken Charges of N-(4-Substituted Benzylidene)-1-Phenylmethanamine Oxide Elucidated by DFT Calculations

Autor: Ali Hashem Essa

Publikováno v: Journal of Scientific Research. 2:330-336

Calculations based on density functional methods are carried out to investigate the effects of a variety of substituents (NMe 2 , OMe, Me, F, H, Cl, CN, NO 2 ) on the Mulliken charges ( Q M ) for C a and N atoms of N -(4-Substituted benzylidene)-1-ph

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::383108f5f6d79814b073f176aeafe583
https://doi.org/10.3329/jsr.v2i2.3634

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Substituent effects in the 13C NMR chemical shifts of para-(para-substituted benzylidene amino)benzonitrile and para-(ortho-substituted benzylidene amino)benzonitrile

Autor: G. F. Fadhil, Ali Hashem Essa

Publikováno v: Journal of the Iranian Chemical Society. 6:808-811

13C NMR chemical shifts were measured in CDCl3 for two series of substituted benzylidene anilines. The substituted benzylidene anilines p-X-C6H4CH=NC6H4-p-CN p-X-C6H4CH=NC6H4-o-CN (X = NO2, F, Cl, Br, H, Me, MeO, NMe2). The substituent dependence of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80b42ad8cbda38003c6a3e009287c484
https://doi.org/10.1007/bf03246173

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