Results 111 to 120 of about 5,533 (174)
Bis(μ-1,4-di-hydro-pyridin-4-one-κ<sup>2</sup> <i>O</i>:<i>O</i>)di-μ-perchlorato-κ<sup>4</sup> <i>O</i>:<i>O</i>'-bis-[aqua-(1,4-di-hydro-pyridin-4-one-κ<i>O</i>)copper(II)] tetra-aqua-bis-(1,4-di-hydropyridin-4-one-κ<i>O</i>)copper(II) tetra-kis-(perchlorate) 1,4-di-hydro-pyridin-4-one disolvate. [PDF]
Turnbull MM, Landee CP, Wikaira JL.
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Pathologic and radiologic response to neoadjuvant therapy in advanced differentiated thyroid cancer. [PDF]
Kampel L +14 more
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Regiocontrollable [2 + 2] benzannulation of γ,δ-C(sp3)-H bonds with dihaloarenes using palladium catalysis. [PDF]
Hu L +4 more
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[N-(beta-phenylisopropyl)-2-pyridone].
A, Raczka, H, Bojarska-Dahlig
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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
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
Tetrachlorobis(2-pyridone)-bis(μ2-2-pyridone)-dicopper
Acta Crystallographica Section C Crystal Structure Communications, 1993In 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
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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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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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Chlorosulfonation of 2-pyridones
Chemistry of Heterocyclic Compounds, 1974Chlorosulfonlyl-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
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Photoionization of 2-pyridone and 2-hydroxypyridine
Physical Chemistry Chemical Physics, 2010We studied the photoionization of 2-pyridone and its tautomer, 2-hydroxypyridine by means of VUV synchrotron radiation coupled to a velocity map imaging electron/ion coincidence spectrometer. The photoionization efficiency (PIE) spectrum is composed of steps.
C. Poully, J. +10 more
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Charge Density Study of 2-Pyridone
Acta Crystallographica Section B Structural Science, 1998The crystal structure of 2-pyridone has been redetermined from high-resolution X-ray data collected at 123 K. The molecule is in the lactam form. Bond lengths (corrected for rigid-body libration) and angles have been determined with s.u.'s of 0.001 Å and 0.1°, respectively.
H W, Yang, B M, Craven
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