Results 141 to 150 of about 24,429,900 (206)

Use of Apixaban for Venous Thromboembolism Prophylaxis in an Older Hemodialysis Patient After Total Knee Replacement: A Case Report. [PDF]

open access: yesAm J Case Rep
Alanizi AH   +6 more
europepmc   +1 more source
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Tetrachlorobis(2-pyridone)-bis(μ2-2-pyridone)-dicopper

Acta Crystallographica Section C Crystal Structure Communications, 1993
In this structure two Cu II centres 3.4448 (11) A apart are bridged asymmetrically by two 2-pyridone ligands and each is further coordinated by three terminal ligands (two chlorides and one 2-pyridone). Each molecule has an approximate, non-crystallographic centre of symmetry.
A. J. Blake, R. E. P. Winpenny
openaire   +1 more source

Cycloaddition reactions of 4-sulfur-substituted dihydro-2-pyridones and 2-pyridones with conjugated dienes

Tetrahedron, 2008
Cycloaddition reactions of sulfoxide- and sulfone-substituted dihydro-2-pyridones and 2-pyridones with electron-rich dienes gave new bicyclic and tricyclic products in good to fair yields. The reactivity, regioselectivity, and stereoselectivity of these reactions were compared with semi-empirical theoretical calculations.
Shang-Shing P Chou
exaly   +2 more sources

DFT/B3-LYP study of the hydrogen-bonding cooperativity: application to (2-pyridone)2, 2-pyridone–H2O, 2-pyridone–CH3OH and 2-pyridone–CH3OCH3

Chemical Physics Letters, 2000
Abstract DFT/B3-LYP(6-31++G**) calculations are used to provide information on closed N – H ⋯ O H -bonded complexes, containing two hydrogen bonds. The studied model systems with two H-bonds are the 2-pyridone dimer, 2-pyridone–H2O and 2-pyridone–CH3OH.
A. Dkhissi   +4 more
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Iridium-Catalyzed Site-Selective C–H Borylation of 2-Pyridones

open access: yesSynthesis, 2017
An iridium-catalyzed site-selective C–H borylation of 2-pyridones has been developed. The site selectivity is predominantly controlled by steric factors, and we can access C4, C5, and C6 C–H on the 2-pyridone ring by the judicious choice of ligand and ...
Masahiro Miura   +2 more
exaly   +2 more sources

Chlorosulfonation of 2-pyridones

Chemistry of Heterocyclic Compounds, 1974
Chlorosulfonlyl-substituted 2-pyridones were obtained for the first time. The ability of 2-pyridone-3-sulfonyl chlorides to undergo conversion to sulfonylides of the pyridine series by the action of bases is shown in the case of 5,6,7,8-tetrahydro-2-quinolone-3-sulfonyl chloride.
N. P. Shusherina   +2 more
openaire   +1 more source

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