Results 1 to 10 of about 3,099 (162)

Design, Synthesis, Antimicrobial Activity and Molecular Docking of New 1,2,4-Triazepine, 1,3,4,6-Oxatriazepine and Pyridazino[1,2-a] Pyrimidine Derivatives [PDF]

open access: yesPharmaceuticals
Background: Recently, compounds such as pyrimidine, pyridazine, 1,2,4-triazepine, 1,3,4,6-oxatriazepine, pyridazino[1,2-a]pyrimidine, and pyridazino[1,2-c] pyrimidine, as well as their derivatives, have attracted attention due to their diverse biological
Nasser Amri, Ameen Ali Abu-Hashem
doaj   +2 more sources

Formal [4 + 2] combined ionic and radical approach of vinylogous enaminonitriles to access highly substituted sulfonyl pyridazines [PDF]

open access: yesCommunications Chemistry
Pyridazine derivatives hold significant interest due to their broad applications in pharmaceuticals and materials science, where they serve as valuable scaffolds for bioactive compounds and functional materials.
Chanhyun Jung   +10 more
doaj   +2 more sources

Synthesis, crystal structure, and in silico molecular docking studies of 4-hydroxy-3,5-dimethoxybenzaldehyde (6-chloropyridazin-3-yl)hydrazone monohydrate [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications
In the title compound, C13H13ClN4O3·H2O, the organic molecule has an E configuration with regard to the C=N bond of the hydrazone bridge. The phenyl and pyridazine rings subtend a dihedral angle of 2.1 (1)° between their mean planes, while the hydrazone ...
Muhammed Rafi Ummer   +3 more
doaj   +2 more sources

Syntheses, crystal structures and thermal properties of catena-poly[cadmium(II)-di-μ-bromido-μ-pyridazine-κ2N1:N2] and catena-poly[cadmium(II)-di-μ-iodido-μ-pyridazine-κ2N1:N2]

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
The reactions of cadmium bromide and cadmium iodide with pyridazine (C4H4N2) in ethanol under solvothermal conditions led to the formation of crystals of [CdBr2(pyridazine)]n (1) and [CdI2(pyridazine)]n (2), which were characterized by single-crystal X ...
Christian Näther, Inke Jess
doaj   +1 more source

Synthesis and crystal structure of catena-poly[cobalt(II)-di-μ-chlorido-μ-pyridazine-κ2N1:N2]

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
The reaction of cobalt dichloride hexahydrate with pyridazine leads to the formation of crystals of the title compound, [CoCl2(C4H4N2)]n. This compound is isotypic to a number of compounds with other divalent metal ions. Its asymmetric unit consists of a
Christian Näther, Inke Jess
doaj   +1 more source

2-[4-(2-Chlorobenzyl)-3-methyl-6-oxo-1,6-dihydropyridazin-1-yl]-N-(4-fluorophenyl)acetamide

open access: yesIUCrData, 2023
The conformation of the title molecule, C20H17ClFN3O2, is partly determined by an intramolecular C—H...O hydrogen bond, which leads to a dihedral angle of 14.7 (4)° between the fluorobenzene ring and the acetamide group.
Hamza Assila   +6 more
doaj   +1 more source

A One-Pot Approach to Novel Pyridazine C-Nucleosides

open access: yesMolecules, 2021
The synthesis of glycosides and modified nucleosides represents a wide research field in organic chemistry. The classical methodology is based on coupling reactions between a glycosyl donor and an acceptor.
Flavio Cermola   +4 more
doaj   +1 more source

4,7-Di(9H-carbazol-9-yl)-[1,2,5]oxadiazolo[3,4-d]pyridazine

open access: yesMolbank, 2022
Donor–acceptor–donor (D–A–D)-type molecules are considered as a promising class of NIR fluorescence materials. In this communication, 4,7-di(9H-carbazol-9-yl)-[1,2,5]oxadiazolo[3,4-d]pyridazine was obtained by dehydrogenation of 4,7-bis(1,2,3,4,4a,9a ...
Timofey N. Chmovzh   +3 more
doaj   +1 more source

Pyridazines. IX. Proton Magnetic Resonance Studies of Pyridazine, Pyrazine, and Substituted Pyridazines.

open access: yesChemical and Pharmaceutical Bulletin, 1964
Pyridazine, pyrazine and substituted pyridazines have been studied by proton magnetic resonance spectroscopy. The spectra of pyridazine and pyrazine were analyzed completely with the aid of information obtained from the C13-satellites (in natural isotopic abundance), whereas the spectra of substituted pyridazines were analyzed easily by the usual ...
K, Tori, M, Ogata
openaire   +3 more sources

Tetrakis(pyridazine-κN)bis(selenocyanato-κN)cobalt(II) pyridazine disolvate

open access: yesActa Crystallographica Section E, 2012
Reaction of cobalt(II) nitrate with potassium selenocyanate and pyridazine leads to single crystals of the title compound, [Co(NCSe)2(C4H4N2)4]·2C4H4N2, which is isotypic with its nickel(II) thiocyanate analogue. The Co2+ cations are coordinated
Susanne Wöhlert   +3 more
doaj   +1 more source

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