Results 31 to 40 of about 36,678 (260)

Regeneration‐Optimized Chemisorbents: Evaluating Hybrid Coordination Networks for Atmospheric Water Harvesting

Angewandte Chemie, EarlyView.
Atmospheric water harvesting (AWH) under arid conditions requires desiccants that load water below 30% RH and regenerate below 60°C, a performance regime traditionally limited to physisorbents. Here, we show that the inherent hydrolytic instability of M′FSIX‐25‐M coordination networks enable regeneration‐optimized chemisorbents (ROCs) with projected ...
Xiang‐Jing Kong, Asif Raza, Lilia Croitor, Andrey Bezrukov, Xia Li, Angela Shipman, William Morris, Carlos J. Solanilla‐Salinas, Adam Hogan, Brian Space, Volodymyr Bon, Stefan Kaskel, Soumya Mukherjee, Alan C. Eaby, Tao He, Michael J. Zaworotko   +15 more
wiley   +2 more sources

Chemistry and biomedical relevance of pyrazole derivatives: An integrated review [PDF]

EPJ Web of Conferences
Over the past decades, the interest in the synthesis and applications of different pyrazole derivatives has been increased dramatically. Pyrazole is well known five-member ring found to be present in many plants and microorganisms.
Dubal Gaurang, Joshi Kaushik, Talaviya Rahul   +2 more
doaj   +1 more source

Cobalt‐Catalyzed [2σ+2π] Cycloaddition via Site‐Selective Capture of Bicyclobutane Diradical

Angewandte Chemie, EarlyView.
We report a Co(II)‐catalyzed strategy that combines thermal activation of bicyclo[1.1.0]butane (BCBs) with site‐selective radical capture to furnish head‐to‐head fused bicyclo[2.1.1]hexanes via [2σ+2π] cycloaddition with indoles. Detailed mechanistic studies (31P NMR, EPR, CV, and DFT) support the catalytic pathway, while phosphine‐oxide trapping and X‐
Tanmayee Nanda, Alexander Umanzor, Julia Gartzke, Jeremy T. Maddigan‐Wyatt, Philipp Thielert, Stefan Weber, Sabine Richert, Shuming Chen, Daniel B. Werz   +8 more
wiley   +2 more sources

Hierarchy of Intermolecular Interactions in Highly Luminescent Pyrenyl-Pyrazole-Aldehyde

, 2022
The intricacies of the crystal structure and the hierarchy of intermolecular interactions in a highly luminescent pyrene-pyrazole-aldehyde (PPPcA) are hereby analyzed by means of experimental charge density analysis, periodic DFT calculations, and high ...
Daniel Mariusz Tchoń (14308901), Anna Makal (1293207), Daniel Mariusz Tchoń, Anna Makal, Roman Gajda, Roman Gajda (1693753)   +5 more
core   +1 more source

Choline chloride/urea as a green and efficient deep eutectic solvent in three-component and four-component synthesis of novel pyrazole and pyrano[2,3-c] pyrazole derivatives with antibacterial and antifungal activity

Frontiers in Chemistry
In this study, choline chloride/urea was used as a green deep eutectic solvent in the three-component reaction of hydrazine/phenylhydrazine, malononitrile, and aromatic aldehydes for synthesizing pyrazole derivatives, and in the four-component reaction ...
Israa Habeeb Naser, Hassan Thoulfikar A. Alamir, Ali Hisham Al-Shukarji, Batool Ali Ahmed, Talal Aziz Qassem, Maher Kamal, Tahani M. Almeleebia, Enas R. Alwaily, Eftikhaar Hasan Kadhum, Ahmed Alawadi, Ahmed Alawadi, Ahmed Alawadi, Ali Alsalamy   +12 more
doaj   +1 more source

{2,6-Bis[(2,6-diisopropylphosphanyl)oxy]-4-fluorophenyl-κ3P,C1,P′}(1H-pyrazole-κN2)nickel(II) hexafluorophosphate

Acta Crystallographica Section E, 2012
The title compound, [Ni(C18H30FO2P2)(C3H4N2)]PF6, was prepared by halide abstraction with TlPF6 in the presence of CH3CN in CDCl3 from the respective neutral pincer chlorido analogue followed by addition of pyrazole.
Man-Lung Kwan, Sara J. Conry, Charles S. Carfagna, Loren P. Press, Oleg V. Ozerov, Norris W. Hoffman, Richard E. Sykora   +6 more
doaj   +1 more source

2,6-Bis(1-isopropyl-5-phenyl-1H-pyrazol-3-yl)pyridine

Acta Crystallographica Section E, 2008
In the title compound, C29H29N5, the central pyridine ring and the two pyrazole rings are approximately coplanar, the dihedral angles between the pyridine and pyrazole rings being 3.94 (12) and 14.84 (12)°.
Ping Liu, Yong-Bo Zhou, Min-Guo Li, Cai-Xia An   +3 more
doaj   +1 more source

Recent Advancement in Drug Design and Discovery of Pyrazole Biomolecules as Cancer and Inflammation Therapeutics

Molecules, 2022
Pyrazole, an important pharmacophore and a privileged scaffold of immense significance, is a five-membered heterocyclic moiety with an extensive therapeutic profile, viz., anti-inflammatory, anti-microbial, anti-anxiety, anticancer, analgesic ...
Md. Jahangir Alam, Ozair Alam, Mohd. Javed Naim, Farah Nawaz, Ajay Manaithiya, Mohd Imran, Hamdy Khamees Thabet, Sultan Alshehri, Mohammed M. Ghoneim, Prawez Alam, Faiyaz Shakeel   +10 more
doaj   +1 more source

Synthesis, characterization, crystal structure and DFT studies of 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole

, 2022
This study is based on 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole as a raw substitute material for 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole and the title compound structure was confirmed by FT ...
Zhixu Zhou (8344281), Tianhui Liao (11718684), Xiangxiang Liu (617225), Yuan Wang (14955)   +3 more
core   +1 more source

Phosphorescent Mono and Binuclear 2-Phenylbenzothiazole Platinum Complexes with Pyrazole or Pyrazolate Ligands [PDF]

, 2021
The use of bidentate cyclometalated C^N ligands allows emission tunability of Pt complexes byvarying the cyclometalated ligand or the nature of the ancillary groups1.
Mª Teresa Moreno [0000-0002-7744-9805], Elena Lalinde [0000-0001-7402-1742], David Gómez de Segura [0000-0002-6299-2899], Eduardo Alcolea   +3 more
core