Zobrazeno 1 - 10
of 1 754
pro vyhledávání: '"nickel complex"'
Autor:
Shahad Qasim Raji, Ali Talib Bader
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 4, Pp 914-928 (2024)
This study first aimed to synthesize and characterize a [Ni(C14H13NO2)(OAC)2(H2O)2] via the preparation of a ligand, coordination with Ni(II) ions, and full characterization, such as "FTIR, 1H and 13C-NMR, UV-Visible spectroscopy; and ESI-mass spectr
Externí odkaz:
https://doaj.org/article/54f4e756a7684f0181c7fd49c32c1b17
Autor:
Zhanyu Li, Guohao Zhou, Yu Sun, Yingning Mao, Fanxiang Zeng, Zhihui Wang, Yuanyuan Zhang, Bin Li
Publikováno v:
Molecules, Vol 29, Iss 19, p 4525 (2024)
In this work, we applied commercially available 2-pyridinecarboxylic acid to modify cellulose by simple manipulations, and then anchored low-toxicity metal nickel onto the modified cellulose to prepare the heterogeneous catalyst (CL-AcPy-Ni). The obt
Externí odkaz:
https://doaj.org/article/9cba57bcae7248489aa8ff5e08f36365
Autor:
Ayman H. Ahmed, Ibrahim O. Althobaiti, Ebtsam K. Alenezy, Yazeed M. Asiri, Sobhy Ghalab, Omar A. Hussein
Publikováno v:
Molecules, Vol 29, Iss 17, p 4239 (2024)
A condensation reaction of salicylic acid with formaldehyde in the presence of sulfuric acid led to the synthesization of the bis(2-hydroxy-3-carboxyphenyl)methane (BHCM) ligand, which was subsequently allowed to bind with nickel (II) ions. In light
Externí odkaz:
https://doaj.org/article/03ee9ce867eb48e28cbaa92dae1d3987
Publikováno v:
Molecules, Vol 29, Iss 14, p 3335 (2024)
DFT calculations were performed for the methyl group transfer reaction between CH3Co (dmgBF2)py and PPh3Ni(Triphos). The reaction mechanism and its energetics were investigated. This reaction is relevant to the catalytic mechanism of the enzyme acety
Externí odkaz:
https://doaj.org/article/86ab23ccdc8e421d890b6fb140e3d2d2
Autor:
Sultana Shakila Khan, Md. Belayet Hossain Howlader, Md. Chanmiya Sheikh, Ryuta Miyatake, Ennio Zangrando
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 5, Pp 465-468 (2023)
In the title complex, [Ni(C14H15N2O2)2], the nickel(II) atom exhibits a square-planar coordination geometry, being coordinated by two negatively charged N,O chelating ligands in a trans configuration, with the metal located on a crystallographic cent
Externí odkaz:
https://doaj.org/article/32840d9e324c4f0592b866ae9f9968e3
Publikováno v:
Catalysts, Vol 14, Iss 6, p 342 (2024)
In this study, 2-t-butyl-4-arylimino-2,3-dihydroacridylnickel dibromides were synthesized by nickel-template one-pot condensation, and well characterized along with the single-crystal X-ray diffraction to one representative complex, revealing a disto
Externí odkaz:
https://doaj.org/article/7a5c955c9a7d49cd85a28e1f343f3625
Autor:
Hassan H. Hammud, Waleed A. Aljamhi, Dolayl E. Al-Hudairi, Nazish Parveen, Sajid Ali Ansari, Thirumurugan Prakasam
Publikováno v:
Catalysts, Vol 14, Iss 3, p 181 (2024)
Hierarchically graphitic carbon that contained nickel nanoparticles (HGC-Ni (1), (2), and (3)) were prepared by the pyrolysis of three metal complexes as follows: nickel 2,2′-biyridine dichloride, nickel terephthalate 2,2′-bipyridine, and nickel
Externí odkaz:
https://doaj.org/article/4755765f1fbe4523aefce2f6122d5ec0
Publikováno v:
Catalysts, Vol 14, Iss 3, p 195 (2024)
The present study explored machine learning methods to predict the catalytic activities of a dataset of 165 α-diimino nickel complexes in ethylene polymerization. Using 25 descriptors as the inputs, the XGBoost model presented the optimal performanc
Externí odkaz:
https://doaj.org/article/3afb4934c3b64f08b04306d88b1425a9
Publikováno v:
Acta Chimica Slovenica, Vol 69, Iss 3, Pp 629-637 (2022)
Three mononuclear copper(II) and nickel(II) complexes, [Cu(L1)(NCS)(CH3OH)] (1), [Cu(L2)(NCS)] (2) and [Ni(L2)(N3)] (3), where L1 and L2 are the monoanionic forms of the Schiff bases N'-(pyridin-2-ylmethylene)picolinohydrazide (HL1) and 4-methyl-2-((
Externí odkaz:
https://doaj.org/article/5785ed8a6ffe40d8b07c6c39bbc4b1e7
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