Results 101 to 110 of about 51,383 (265)

tert-Butyl 4-{[5-(4-chlorophenyl)-1-(4-fluorophenyl)-1H-pyrazol-3-yl]carbonyl}piperazine-1-carboxylate

open access: yesActa Crystallographica Section E, 2010
In the title pyrazole derivative, C25H26ClFN4O3, both benzene rings are twisted out of the plane through the pyrazole ring, with dihedral angles of 67.62 (10) and 27.63 (10)° for the fluoro- and chloro-substituted rings ...
Seik Weng Ng   +4 more
doaj   +1 more source

Spectroscopic and Computational Studies of Reversible O\u3csub\u3e2\u3c/sub\u3e Binding by a Cobalt Complex of Relevance to Cysteine Dioxygenase [PDF]

open access: yes, 2017
The substitution of non-native metal ions into metalloenzyme active sites is a common strategy for gaining insights into enzymatic structure and function.
Fiedler, Adam T.   +2 more
core   +1 more source

Probing binding and cellular activity of pyrrolidinone and piperidinone small molecules targeting the urokinase receptor [PDF]

open access: yes, 2013
The urokinase receptor (uPAR) is a cell-surface protein that is part of an intricate web of transient and tight protein interactions that promote cancer cell invasion and metastasis. Here, we evaluate the binding and biological activity of a new class of
Knabe, William Eric   +7 more
core   +1 more source

Dynamic Control of Nucleic Acids Self‐Assembly and Expression Using Photoswitches

open access: yesChemistry – A European Journal, EarlyView.
We review here the recent progress made in the design of molecular photoswitches, and highlight their implementation for the dynamic control over nucleic acids self‐assembly and expression. ABSTRACT Synthetic nucleic acids have become readily available and now constitute versatile building blocks in materials science—where they can be used to engineer ...
Noemí Nogal   +4 more
wiley   +1 more source

Current progress in synthetic and medicinal chemistry of pyrazole hybrids as potent anticancer agents with SAR studies

open access: yesFuture Journal of Pharmaceutical Sciences
Background One of the most serious and potentially hazardous diseases that trouble the globe today is cancer. Among various cancer treatment options, chemotherapy is currently one of the most efficient ways to remove cancer.
Bhupender Nehra   +3 more
doaj   +1 more source

Adsorption of Mn2+, Co2+, and Ni2+ in MOF-808 and pyrazole-modified MOF-808: Selectivity trends assessed with microcalorimetry and spectroscopic analysis

open access: yesChemical Engineering Journal Advances
Zirconium(IV)-based metal-organic framework (MOF) MOF-808 and pyrazole-functionalized MOF-808 were investigated for the selective adsorption of Mn2+, Co2+, and Ni2+, the key components of lithium-ion battery cathodes.
Boyoung Song   +5 more
doaj   +1 more source

Facile synthesis of isoxazoles and pyrazoles from ß-diketohydrazones [PDF]

open access: yes, 2009
Indexación: ScieloNew 3,5-dimethyl-4-[(E)-4-(R1-phenyl)diazenyl]isoxazoles and 3,5-dimethyl-1-(R2-phenyl)-4-[(E)-(R1-phenyl)diazenyl]-1H-pyrazoles may be obtained by reaction of 3-[2-(R1-phenyl)hydrazono)]pentane-2,4-dione with H2NOH-HCl and R2-4-C6H4 ...
Bustos, Carlos   +4 more
core   +1 more source

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

open access: yesChemSusChem, 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

Grafting of multiwalled carbon nanotubes with pyrazole derivatives: characterization, antimicrobial activity and molecular docking study

open access: yesInternational Journal of Nanomedicine, 2019
Nadia Hanafy Metwally,1 Gamal Riad Saad,1 Esraa Azmy Abd El-Wahab21Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt; 2Department of Engineering Mathematics and Physics, Faculty of Engineering Shoubra, Benha UniversityCorrespondence:
Metwally NH, Saad GR, Abd El-Wahab EA
doaj  

3-Acetyl-5-phenyl-1-p-tolyl-1H-pyrazole-4-carbonitrile

open access: yesActa Crystallographica Section E, 2012
In the title pyrazole derivative, C19H15N3O, the central pyrazole ring makes dihedral angles of 42.71 (9) and 61.34 (9)°, respectively, with the phenyl and p-tolyl rings.
Hatem A. Abdel-Aziz   +3 more
doaj   +1 more source

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