Results 1 to 10 of about 147,423 (120)

Crystal structure and Hirshfeld surface analysis of ethyl 2-({5-acetyl-3-cyano-6-methyl-4-[(E)-2-phenylethenyl]pyridin-2-yl}sulfanyl)acetate

Acta Crystallographica Section E: Crystallographic Communications, 2021
In the title molecule, C21H20N2O3S, the styryl and ester substituents are displaced to opposite sides of the plane of the pyridine ring. In the crystal, C—H...O hydrogen bonds form chains extending parallel to the a-axis direction, which pack with ...
Safiyyah A. H. Al-Waleedy, Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Mohamed S. Abbady, Etify A. Bakhite   +5 more
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Synthesis, Crystal Structure, Catalytic Properties, and Luminescent of a Novel Eu(III) Complex Material with 4-Imidazolecarboxaldehyde-pyridine-2-carbohydrazone

Bulletin of Chemical Reaction Engineering & Catalysis, 2017
A novel Eu(III) complex, [Eu(L)2(H2O)4]·(NO3)·(H2O)4 (1) (H2L = 4-imidazolecarboxaldehyde-pyridine-2-carbohydrazide), was synthesized. Its structure has been characterized by elemental analysis, IR, and X-ray single crystal diffraction analysis.
Li-Hua Wang, Lei Liang, Peng-Fei Li
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Anticancer Evaluation of 4-substituted-N-(quinolin-8-yl)pyridine-3-sulfonamides

Medical Sciences Forum, 2022
During our research of biological activity of different N-aryl-4-substututed-pyridine-3-sulfonamides, we have found that compounds bearing a N-(quinolin-8-yl) substituent possess a significant anti-tumor activity.
Krzysztof Szafrański, Jarosław Sławiński, Anna Kawiak   +2 more
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Uses of 3-(2-Bromoacetyl)-2H-chromen-2-one in the Synthesis of Heterocyclic Compounds Incorporating Coumarin: Synthesis, Characterization and Cytotoxicity

Molecules, 2015
In this work, 3-bromoacetylcoumarin was used as the key starting material for the synthesis of pyran, pyridine, thiophene, thiazole and pyrazole derivatives through its reaction with different reagents.
Rafat M. Mohareb, Nadia Y. MegallyAbdo
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The Bioactivity of Xylene, Pyridine, and Pyrazole Aza Macrocycles against Three Representative Leishmania Species

Pharmaceutics, 2023
Due to the urgent need for finding effective and free of secondary effect treatments for every clinical form of Leishmaniasis, a series of synthetic xylene, pyridine and, pyrazole azamacrocycles were tested against three Leishmania species. A total of 14
Álvaro Martín-Montes, Álvaro Martínez-Camarena, Alberto Lopera, Irene Bonastre-Sabater, M. Paz Clares, Begoña Verdejo, Enrique García-España, Clotilde Marín   +7 more
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Parallel interactions of aromatic and heteroaromatic molecules [PDF]

Hemijska Industrija, 2016
Parallel interactions of aromatic and heteroaromatic molecules are very important in chemistry and biology. In this review, recent findings on preferred geometries and interaction energies of these molecules are presented.
Malenov Dušan P., Zarić Snežana D.
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4-[3-(Pyridin-3-yl)prop-2-enoyl]phenyl 4-dodecyloxybenzoate

Molbank, 2015
Steglich esterification between 1-(4-hydroxyphenyl)-3-(pyridin-3-yl)prop-2-en-1-one and 4-dodecyloxybenzoic acid has produced a new compound, 4-[3-(pyridin-3-yl) prop-2-enoyl]phenyl 4-dodecyloxybenzoate. The title compound was characterized by IR and NMR
Sie-Tiong Ha, Yi-Jun Lau
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Transition metal complexes with thiosemicarbazide-based ligands, part 46: Synthesis and physico-chemical characterization of mixed ligand cobalt(III)-complexes with salicylaldehyde semi-, thiosemi- an [PDF]

Journal of the Serbian Chemical Society, 2003
Mixed ligand octahedral cobalt(III) complexes with the tridentate salicylaldehyde semi-, thiosemi- and isothiosemicarbazone and pyridine of general formula [CoIII(L1-3)(py)3]X(H2L1=salicylaldehyde semicarbazone X=[CIICl3(py)]-, ClO4-.H2O, I-.
Leovac Vukadin M., Vojinović Ljiljana S., Mesaroš-Sečenji Katalin F., Češljević Valerija I.   +3 more
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Efficient [Fe-Imidazole@SiO₂] Nanohybrids for Catalytic H₂ Production from Formic Acid

Nanomaterials, 2023
Three imidazole-based hybrid materials, coded as IGOPS, IPS and impyridine@SiO2 nanohybrids, were prepared via the covalent immobilization of N-ligands onto a mesoporous nano-SiO2 matrix for H2 generation from formic acid (FA). BET and HRTEM demonstrated
Christos Gkatziouras, Maria Solakidou, Maria Louloudi   +2 more
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Isotypic one-dimensional coordination polymers: catena-poly[[dichloridocadmium]-μ-5,6-bis(pyridin-2-yl)pyrazine-2,3-dicarboxylato-κ2N5:N6] and catena-poly[[dichloridomercury(II)]-μ-5,6-bis(pyridin-2-yl)pyrazine-2,3-dicarboxylato-κ2N5:N6]

Acta Crystallographica Section E: Crystallographic Communications, 2016
The isotypic title one-dimensional coordination polymers, [CdCl2(C18H14N4O4)]n, (I), and [HgCl2(C18H14N4O4)]n, (II), are, respectively, the cadmium(II) and mercury(II) complexes of the dimethyl ester of 5,6-bis(pyridin-2-yl)pyrazine-2,3-dicarboxylic acid.
Montserrat Alfonso, Helen Stoeckli-Evans
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