نتایج جستجو برای: fluorine compounds

تعداد نتایج: 232995  

Journal: :Molecules 2016
Thuraya Al-Harthy Wajdi Michel Zoghaib Maren Pflüger Miriam Schöpel Kamil Önder Maria Reitsammer Harald Hundsberger Raphael Stoll Raid Abdel-Jalil

To design new compounds suitable as starting points for anticancer drug development, we have synthesized a novel series of benzoxazoles with pharmaceutically advantageous piperazine and fluorine moieties attached to them. The newly synthesized benzoxazoles and their corresponding precursors were evaluated for cytotoxicity on human A-549 lung carcinoma cells and non-cancer HepaRG hepatocyes. Som...

2012
Alessandro Belardini

Organic fluorinated materials demonstrate their excellent electro-optic properties and versatility for technological applications. The partial substitution of hydrogen with fluorine in carbon-halides bounds allows the reduction of absorption losses at the telecommunication wavelengths. In these interesting compounds, the electro-optic coefficient was typically induced by a poling procedure. The...

Journal: :Molecules 2012
Małgorzata Kostecka

In view of the growing demand for new compounds showing biological activity against pathogenic microorganisms, such as pathogenic and phytopathogenic fungi, the objective of this study was to synthesize a new group of aliphatic and aromatic derivatives of hydrazide. In consequence of the reactions observed during synthesis, the resulting compounds retained their linear structure. Their structur...

Journal: :Molecules 2015
Cristina Nastasă Brîndușa Tiperciuc Mihaela Duma Daniela Benedec Ovidiu Oniga

New series of hydrazones 5-18 were synthesized, in good yields, by reacting 4-methyl-2-(4-(trifluoromethyl)phenyl)thiazole-5-carbohydrazide with differently substituted benzaldehyde. The resulting compounds were characterized via elemental analysis, physico-chemical and spectral data. An antimicrobial screening was done, using Gram (+), Gram (-) bacteria and one fungal strain. Tested molecules ...

Journal: :Physical chemistry chemical physics : PCCP 2010
W Zhang M Dubois K Guérin P Bonnet H Kharbache F Masin A P Kharitonov A Hamwi

The effect of the curvature of the carbon lattice is discussed taking into account NMR data on various fluorinated carbons including C(60) fullerenes, single, double and multiwall carbon nanotubes. Graphite fluorides and highly fluorinated fullerenes are used as limit model compounds for planar and spherical geometries, respectively. The curvature results in a weakening of the C-F bonding coval...

2015
Wei Zhao Yong Yang Ya-Xuan Zhang Chen Zhou Hong-Mei Li Ya-Ling Tang Xin-Hua Liang Tao Chen Ya-Jie Tang

This work aims to provide sampling of halogen-containing aniline podophyllum derivatives and their mode of action with an in-depth comparison among fluorine, chloride and bromide for clarifying the important role and impact of fluorine substitution on enhancing antitumor activity, with an emphasis on the development of drug rational design for antitumor drug. The tumor cytotoxicity of fluoride-...

Journal: :Acta crystallographica. Section C, Structural chemistry 2016
William Raven Thomas Joschko Irmgard Kalf Ulli Englert

At the molecular level, the enantiomerically pure square-planar organoplatinum complex (SP-4-4)-(R)-[2-(1-aminoethyl)-5-fluorophenyl-κ(2)C(1),N][(R)-1-(4-fluorophenyl)ethylamine-κN](isocyanato-κN)platinum(II), [Pt(C8H9FN)(NCO)(C8H10FN)], and its congener without fluorine substituents on the aryl rings adopt the same structure within error. The similarities between the compounds extend to the mo...

Journal: :American journal of nuclear medicine and molecular imaging 2012
Mian M Alauddin

Positron Emission Tomography (PET) is a nuclear medicine imaging technique that is widely used in early detection and treatment follow up of many diseases, including cancer. This modality requires positron-emitting isotope labeled biomolecules, which are synthesized prior to perform imaging studies. Fluorine-18 is one of the several isotopes of fluorine that is routinely used in radiolabeling o...

Journal: :The Journal of the Society of Chemical Industry, Japan 1962

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