Results 101 to 110 of about 37,696 (242)

Synthesis, Spectroscopic Analysis and Assessment of the Biological Activity of New Hydrazine and Hydrazide Derivatives of 3-Formylchromone

Molecules, 2018
The hydrazine and hydrazide derivatives of benzo-γ-pyrones with fluorine substituents remain an unexplored group of chemical compounds. This preliminary study reports the synthesis, structural assessment, initial microbiological screening and ...
Krzysztof Słomiak, Andrzej Łazarenkow, Lilianna Chęcińska, Joachim Kusz, Justyn Ochocki, Jolanta Nawrot-Modranka   +5 more
doaj   +1 more source

Ketohydrazone complexes as potential emitting material in OLED [PDF]

, 2008
Ketohydrazone is a molecule that is able to act as a bidentate ligand through the O of C=O and N of N=C in the molecule. Three ketohydrazone ligands had been fully synthesized through the condensation reaction between 2- hydroxynaphthaldehydes with ...
Bahari, Haznita Rose, Garif, Mohd. Nordin, Shamsuddin, Mustaffa   +2 more
core  

Determination of Dipyrone in pharmaceutical preparations based on the chemiluminescent reaction of the quinolinic hydrazide-H2O2-vanadium (IV) system and flow injection analysis [PDF]

, 2011
A rapid, economic and sensitive chemiluminescent method involving flow-injection analysis was developed for the determination of dipyrone in pharmaceutical preparations.
Durand Alegría, Jesús Senén, Fernández Hernando, Pilar, Narros Sierra, Adolfo, Pradana Pérez, Juan Angel   +3 more
core   +2 more sources

5‐HT2A receptor agonism by tert‐leucinamide and valinamide synthetic cannabinoids: In vitro and in vivo evidence

British Journal of Pharmacology, EarlyView.
Abstract Background and Purpose New synthetic cannabinoid receptor agonists (SCRAs) are associated with severe adverse effects, including unexpected psychiatric symptoms. These compounds are mainly active through their potent agonism on the cannabinoid receptors CB1 and CB2.
Giorgia Corli, Deborah Rudin, Dino Luethi, Matthias E. Liechti, Sabrine Bilel, Matteo Marti, Henrik Green, Manuela Carla Monti, Caitlyn Norman   +8 more
wiley   +1 more source

Corrosion mitigation of mild steel in acid media using a potential hydrazide derivative; experimental and theoretical investigation

Arab Journal of Basic and Applied Sciences
This study evaluated the corrosion mitigation performance of the hydrazide derivative 2-methyl-3-phenylallylidene hydrazinecarbothioamide (MPHT) for mild steel (MS) in 0.5 M HCl and 0.5 M H2SO4 solutions over the temperature range 303–323 K ...
Preethi Kumari, Suma A. Rao, Divya Nayak, Silpa Elizabeth Peter   +3 more
doaj   +1 more source

5,6,7,8-Tetrafluoro-1-(2-nitrophenyl)-3-phenyl-1H-benzo[e][1,3,4]oxadiazine

Molbank, 2018
Treating 1-fluoro-2-nitrobenzene (6) with N′-pentafluorophenylbenzohydrazide (7) and K2CO3 (1.1 equiv) in EtOH at ca. 110 °C (sealed tube) for 24 h affords 5,6,7,8-tetrafluoro-1-(2-nitrophenyl)-3-phenyl-1H-benzo[e][1,3,4]oxadiazine (5) (36%) and N′-(2 ...
Georgia A. Zissimou, Andreas Kourtellaris, Panayiotis A. Koutentis   +2 more
doaj   +1 more source

Chemical Weed Control in Field Crops [PDF]

, 1953
PDF pages ...
Willard, C. J.
core  

Advances in organic UV filters for sunscreens over the past decade

Photochemistry and Photobiology, EarlyView.
Highlighted organic UV filter frameworks that have been described for sunscreens over the past decade divided into three groups: derivatives of or inspired by approved organic UV filters, natural product‐based compounds, and miscellaneous. Abstract Ultraviolet (UV) radiation is a major environmental factor in photoaging, erythema, and skin cancer ...
Gabriela Zanella Marcon, Maria Carolina Theisen, Andressa Motta Castro, Giovana Jones Radke, Fernando Fumagalli   +4 more
wiley   +1 more source

Investigation of Covalent Adaptable Networks (CANs) Based on Dynamic Acylhydrazone Bonds Featuring Shape‐Memory Ability

Journal of Applied Polymer Science, Volume 143, Issue 18, May 10, 2026.
Application of dynamic acylhydrazones to achieve CANs with shape‐memory properties. ABSTRACT Covalent adaptable networks (CANs) are based on reversible crosslinks, which are present within the polymer network structure. Due to these reversible moieties, CANs feature interesting properties/abilities such as self‐healing after damage, shape‐memory ...
Farhad Shohraty, Michael F. Agyemang, Michael Klein, Stefan Zechel, Michael Schmitt, Jürgen Popp, Martin D. Hager   +6 more
wiley   +1 more source

The crystal structures and Hirshfeld surface analysis of N′,N′′′-((1E,1′E)-{[methylenebis(oxy)]bis(6-bromo-3,1-phenylene)}bis(methanylylidene))bis(isonicotinohydrazide) dihydrate and N′,N′′′-((1E,1′E)-{[butane-1,4-diylbis(oxy)]bis(2,1-phenylene)}bis(methanylylidene))bis(isonicotinohydrazide) [+ solvent]

Acta Crystallographica Section E: Crystallographic Communications, 2019
The title compounds, C27H20Br2N6O4·2H2O, (I), and C30H28N6O4·[+ solvent], (II), both crystallize with one half-molecule in the asymmetric unit. The whole molecule of (I) is generated by twofold rotation symmetry, with the twofold rotation axis bisecting ...
S. Syed Abuthahir, M. NizamMohideen, V. Viswanathan, Tamilselvan Abiraman, Sengottuvelan Balasubramanian   +4 more
doaj   +1 more source