Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Mezna Saleh Altowyan"'
Autor:
Mezna Saleh Altowyan, Ayman El-Faham, MennaAllah Hassan, Assem Barakat, Matti Haukka, Morsy A. M. Abu-Youssef, Saied M. Soliman, Amal Yousri
Publikováno v:
Inorganics, Vol 12, Iss 10, p 268 (2024)
The molecular and supramolecular structures of some M(II) complexes (M = Co, Mn, Cu, Ni, Zn) with a hydrazone-s-triazine ligand (BMPyTr) were discussed based on single crystal X-ray diffraction (SCXRD), Hirshfeld and DFT analyses. A new Co(II) comple
Externí odkaz:
https://doaj.org/article/3eafa3a89d3a482ca42145d47fc2019b
Autor:
Mezna Saleh Altowyan, Eman M. Fathalla, Jörg H. Albering, Morsy A. M. Abu-Youssef, Taher S. Kassem, Assem Barakat, Matti Haukka, Ahmed M. A. Badr, Saied M. Soliman
Publikováno v:
Inorganics, Vol 11, Iss 10, p 417 (2023)
Two novel silver(I) coordination polymers, [Ag(4BP)(SCN)]n (1) and {(4BPH)+[Ag(SCN)2]−}n (2) (4BP = 4-benzoyl pyridine), have been synthesized. The two complexes were prepared using almost the same reagents, which were AgNO3, 4BP and NH4SCN. The on
Externí odkaz:
https://doaj.org/article/800aae4f887b4f9d98f56f8b309fd0e3
Autor:
Saeed Alshahrani, Abdullah Mohammed Al-Majid, Abdullah Saleh Alamary, M. Ali, Mezna Saleh Altowyan, Mar Ríos-Gutiérrez, Sammer Yousuf, Assem Barakat
Publikováno v:
Molecules, Vol 28, Iss 19, p 6976 (2023)
A new series of spirooxindoles based on benzimidazole, triazole, and isatin moieties were synthesized via a [3+2] cycloaddition reaction protocol in one step. The single X-ray crystal structure of the intermediate triazole-benzimidazole 4 was solved.
Externí odkaz:
https://doaj.org/article/b2fa485cb2344e74b1ac941ebcbb452d
Autor:
Mezna Saleh Altowyan, Matti Haukka, Mohammed Salah Ayoup, Magda M. F. Ismail, Nagwan G. El Menofy, Saied M. Soliman, Assem Barakat, Mona M. Sharaf, Morsy A. M. Abu-Youssef, Amal Yousri
Publikováno v:
Inorganics, Vol 11, Iss 10, p 382 (2023)
The complex [Co(L)(H2O)4](NO3)2 of (E)-4-(2-(3-methyl-5-oxo-1-(pyridin-2-yl)-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-N-(pyrimidin-2-yl)benzenesulfonamide (L) was synthesized via the self-assembly technique. Its molecular and supramolecular structures we
Externí odkaz:
https://doaj.org/article/47ce57f1498041ad93e1b144afef2800
Autor:
Mezna Saleh Altowyan, Amal Yousri, Jörg H. Albering, Roland C. Fischer, Morsy A. M. Abu-Youssef, Mohammed Salah Ayoup, Assem Barakat, Saied M. Soliman
Publikováno v:
Crystals, Vol 13, Iss 9, p 1375 (2023)
The synthesis and X-ray crystal structure analyses of the azido complex [Zn(N3)(Arg)2](N3)·3H2O, where Arg is L-arginine, were presented. The molecular structure of the complex was further studied using FT-IR spectra as well as atoms in molecules (A
Externí odkaz:
https://doaj.org/article/f2b998cada4646abb64ff9e7798316a0
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
The pandemic of COVID-19, caused by SARS-CoV-2, has globally affected the human health and economy. Since the emergence of the novel coronavirus SARS-CoV-2, the life-threatening virus continues to mutate and evolve. Irrespective of acquired natural i
Externí odkaz:
https://doaj.org/article/6231c3c8ba32480089303d0ad0aa3eed
Autor:
Mezna Saleh Altowyan, Matti Haukka, Saied M. Soliman, Assem Barakat, Ahmed T. A. Boraei, Ahmed Aboelmagd
Publikováno v:
Crystals, Vol 13, Iss 5, p 797 (2023)
5-(1H-Indol-2-yl)-4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione 1a and 4-(4-chlorophenyl)-5-(1H-indol-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione 1b were galactosylated in the presence of NaHCO3 in ethanol to produce S-galactosides 3,4, whereas, i
Externí odkaz:
https://doaj.org/article/3de69957b2bc47a19c4b1e37d51ce9d0
Autor:
Mezna Saleh Altowyan, Eman M. Fathalla, Jörg H. Albering, Assem Barakat, Morsy A. M. Abu-Youssef, Saied M. Soliman, Ahmed M. A. Badr
Publikováno v:
Symmetry, Vol 15, Iss 3, p 619 (2023)
Two 1D coordination polymers were synthesized by reaction of two ligands, 2-amino-4-picoline (2A4Pic) and quinoline-6-carboxylic acid (Qu-6-COOH) with two metal (II) nitrate (M = Cd and Cu) in the presence of azide as a linker. The synthesized metal
Externí odkaz:
https://doaj.org/article/d9b68348e28342488773383f7d415b82
Autor:
Mezna Saleh Altowyan, Matti Haukka, Saied M. Soliman, Assem Barakat, Saleh O. Alaswad, Ahmed T. A. Boraei, Emad M. Gad, Mohamed F. Youssef
Publikováno v:
Crystals, Vol 13, Iss 3, p 423 (2023)
The present synthetic strategy involves the synthesis of indolyl-triazolo-thiadiazole heterocyclic ring systems 8–13 from the condensation of 4-amino-5-(1H-indol-2-yl)-3H-1,2,4-triazole-3-thione 1 with the aromatic carboxylic acid derivatives 2–7
Externí odkaz:
https://doaj.org/article/096492ab00c24feb8e1656fc9cc136e5
Autor:
Mezna Saleh Altowyan, Matti Haukka, Saied M. Soliman, Assem Barakat, Ahmed T. A. Boraei, Manar Sopaih
Publikováno v:
Crystals, Vol 13, Iss 3, p 384 (2023)
The novel hydrazone-containing thieno[2,3-d]pyrimidine, namely, N′-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-2-(4-oxo-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-3(4H)-yl)acetohydrazide 4 was synthesized in a very good yield from the reacti
Externí odkaz:
https://doaj.org/article/27a7de96c62e496aa6ac936ecc768cc3