Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Alaa Alqahtani"'
1
Akademický článek
Mechanistic investigations on Pinnick oxidation: a density functional theory study
Autor: Aqeel A. Hussein, Azzam A. M. Al-Hadedi, Alaa J. Mahrath, Gamal A. I. Moustafa, Faisal A. Almalki, Alaa Alqahtani, Sergey Shityakov, Moaed E. Algazally
Publikováno v: Royal Society Open Science, Vol 7, Iss 2 (2020)
A computational study on Pinnick oxidation of aldehydes into carboxylic acids using density functional theory (DFT) calculations has been evaluated with the (SMD)-M06-2X/aug-pVDZ level of theory, leading to an important understanding of the reaction
Externí odkaz: https://doaj.org/article/4813370494b14ade823cbb8a3344b2fd
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2
Akademický článek
4-(Benzofuran-2-yl)-2-[3-(4-chlorophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]thiazole
Autor: Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Alaa Alqahtani, Amany S. Hegazy, Benson M. Kariuki
Publikováno v: IUCrData, Vol 4, Iss 3, p x190359 (2019)
The molecule of the title compound, C26H17ClFN3OS, comprises benzofuranyl (A), thiazolyl (B), pyrazolyl (C), chlorophenyl (D) and fluorophenyl (E) ring systems. Rings A–D are almost coplanar, as indicated by the twist angles between the ring pairs
Externí odkaz: https://doaj.org/article/3a4857c5ebf8439da1d4ab112d13e85a
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3
Akademický článek
3-[5-Methyl-1-(4-methylphenyl)-1H-1,2,3-triazol-4-yl]-1-phenyl-1H-pyrazole-4-carbaldehyde
Autor: Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Alaa Alqahtani, Amany S. Hegazy, Benson M. Kariuki
Publikováno v: IUCrData, Vol 4, Iss 2, p x190217 (2019)
The asymmetric unit of the title compound, C20H17N5O, consists of two independent molecules. The molecules comprise tolyl (A), triazolyl (B), pyrazolecarbaldehydyl (C) and phenyl (D) groups. The angles between the planes through neighouring rings A/B
Externí odkaz: https://doaj.org/article/d09fdfb3b7924332b82db46385e50bc4
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4
Akademický článek
3-{2-[3-(4-Chlorophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]thiazol-4-yl}-3,8a-dihydro-2H-chromen-2-one
Autor: Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Alaa Alqahtani, Amany S Hegazy, Benson M. Kariuki
Publikováno v: IUCrData, Vol 4, Iss 2, p x190170 (2019)
The title compound, C27H17ClFN3O2S, comprises chromonyl (A), thiazolyl (B), pyrazolyl (C), chlorophenyl (D) and fluorophenyl (E) rings with twist angles between the planes of adjacent rings pairs A/B, B/C, C/D and C/E of 14.1 (1), 18.2 (2), 1.3 (1) a
Externí odkaz: https://doaj.org/article/d12233b365f0410cae936130cf0b4efd
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5
Akademický článek
2-[3-(4-Chlorophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]-8H-indeno[1,2-d]thiazole
Autor: Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Alaa Alqahtani, Amany S. Hegazy, Benson M. Kariuki
Publikováno v: IUCrData, Vol 4, Iss 2, p x190218 (2019)
The title molecule, C25H17ClFN3S, contains indenothiazolyl (A), pyrazolyl (B), fluorophenyl (C) and chlorophenyl (D) groups. The dihedral angles between the ring planes A/B, B/C and B/D are 14.2 (1), 83.0 (1) and 6.5 (2)°, respectively. In the cryst
Externí odkaz: https://doaj.org/article/7bf91c4180b344ed8e858158cd6e731b
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9
Phytochemical investigations of three Rhodocodon (Hyacinthaceae Sensu APG II) species
Autor: Moses K. Langat, Andrius Jaksevicius, Elizabeth I. Opara, Wolfgang Wetschnig, Sianne Schwikkard, Walter Knirsch, Jackie L. Andriantiana, Alaa Alqahtani, Dulcie A. Mulholland
The genus Rhodocodon (Hyacinthaceae sensu APG II) is endemic to Madagascar, and its phytochemistry has not been described previously. The phytochemistry of three species in this genus has been investigated, and eight compounds, including three bufadi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6686c5cdbe2992c05bb276d5b7484b06
https://eprints.kingston.ac.uk/id/eprint/37192/1/Schwikkard-S-37192-AAM.pdf
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