Results 51 to 60 of about 36,585 (245)

New Hybrid Pyrazole and Imidazopyrazole Antinflammatory Agents Able to Reduce ROS Production in Different Biological Targets

Molecules, 2020
Several anti-inflammatory agents based on pyrazole and imidazopyrazole scaffolds and a large library of substituted catechol PDE4D inhibitors were reported by us in the recent past.
Chiara Brullo, Matteo Massa, Federica Rapetti, Silvana Alfei, Maria B. Bertolotto, Fabrizio Montecucco, Maria Grazia Signorello, Olga Bruno   +7 more
doaj   +1 more source

Regio‐ and Diastereoselective C–C Silylation of Cyclopropyl Acetates Harnessing Fluorinated Poly(pyridyl)Borate Rhodium Catalysts

Chemistry – A European Journal, EarlyView.
Fluorinated poly(pyridyl)borates have been utilized to stabilize rhodium‐diene complexes and as supporting ligands in rhodium‐catalyzed redox‐neutral C–C silylation of cyclopropyl acetates, producing silicon‐containing heterocyclic products, dioxasilolanes.
Vo Quang Huy Phan, Suman Das Adhikary, Junha Jeon, H. V. Rasika Dias   +3 more
wiley   +1 more source

Efficient Regioselective Iodination of Pyrazole Derivatives Mediated by Cadmium(II) Acetate

ChemistryOpen
The present study focuses on the iodination of pyrazoles mediated by cadmium (II) acetate. The objects of research were compounds with pyrazole rings substituted by N‐propargyl, C, N‐alkyl groups.
Dr. Nina G. Hobosyan, Dr. Kristine V. Balyan, Lusine A. Movsisyan, Dr. Varduhi S. Hovsepyan, Armen G. Ayvazyan, Dr. Henrik A. Panosyan, Prof. Dr. Hovhannes S. Attaryan, Dr. Hmayak B. Sargsyan, Haykanush R. Pogosyan   +8 more
doaj   +1 more source

(E)-1-(3,4-Dimethoxyphenyl)-3-(1,3-diphenyl-1H-pyrazol-4-yl)prop-2-en-1-one

IUCrData
In the title compound, C26H22N2O3, the dihedral angle between the benzene and pyrazole rings of the chalcone unit is 88.3 (1)°. The pyrazole ring has two attached phenyl rings that form dihedral angles with the pyrazole ring of 22.6 (2) and 40.0 (1)°. In
Jiha Sung
doaj   +1 more source

2-{5-[2-(4-Nitrophenoxy)phenyl]-1-phenyl-1H-pyrazol-3-yl}phenol

Acta Crystallographica Section E, 2010
In the title compound, C27H19N3O4, the phenol and pyrazole rings are almost coplanar [dihedral angle = 0.95 (12)°] due to an intramolecular O—H...N hydrogen bond, whereas the phenyl ring is tilted by 40.81 (7)& ...
Ali Haider, Zareen Akhter, Michael Bolte, Muhammad Zia-ul Haq, Humaira M. Siddiqi   +4 more
doaj   +1 more source

Sustainable Hydrogen Production by Glycerol and Monosaccharides Catalytic Acceptorless Dehydrogenation (AD) in Homogeneous Phase

ChemSusChem, Volume 18, Issue 6, March 15, 2025.
Sustainable hydrogen production can be obtained from hydogen‐rich biomass‐derived organic molecules through Acceptorless Dehydrogenation (AD) reactions. Glycerol and sugars are available in large quantities from industry and can be successfully used as substrates in AD protocols, in the presence of tailored, selective, easily tunable and thermally ...
Sylwia Kostera, Luca Gonsalvi
wiley   +1 more source

Synthesis and Pharmacological Activities of Pyrazole Derivatives: A Review

Molecules, 2018
Pyrazole and its derivatives are considered a pharmacologically important active scaffold that possesses almost all types of pharmacological activities.
Khalid Karrouchi, Smaail Radi, Youssef Ramli, Jamal Taoufik, Yahia N. Mabkhot, Faiz A. Al-aizari, M’hammed Ansar   +6 more
doaj   +1 more source

Recent Advances in Synthesis and Properties of Nitrated-Pyrazoles Based Energetic Compounds

Molecules, 2020
Nitrated-pyrazole-based energetic compounds have attracted wide publicity in the field of energetic materials (EMs) due to their high heat of formation, high density, tailored thermal stability, and detonation performance.
Shijie Zhang, Zhenguo Gao, Di Lan, Qian Jia, Ning Liu, Jiaoqiang Zhang, Kaichang Kou   +6 more
doaj   +1 more source

Spin‐Crossover Modulated Luminescence in Materials and Molecular Complexes

Helvetica Chimica Acta, EarlyView.
The synergistic coupling of spin‐crossover and luminescent properties holds great promise for the development of multifunctional and stimuli‐responsive molecular materials. This contribution provides a comprehensive overview of the field, surveying the possible coupling mechanisms, the various synthetic strategies and their potential applicability, as ...
Charlotte Egger, Claude Piguet
wiley   +1 more source

Aqua(4-nitrophthalato)bis[2-(1H-pyrazol-3-yl)pyridine]zinc(II) hemihydrate

Acta Crystallographica Section E, 2011
In the title compound, [Zn(C8H3NO6)(C8H7N3)2(H2O)]·0.5H2O, the ZnII atom shows a distorted octahedral ZnN4O2 coordination environment and is bonded to two 3-(2-pyridyl)-1H-pyrazole ligands via the N atoms, one monodentate 4-nitrophthalate ligand
Hong Wei, Ji-Li Zhao, Lei Ni
doaj   +1 more source