Results 211 to 220 of about 10,212 (248)
Some of the next articles are maybe not open access.
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.
R. Ramaekers +5 more
openaire +2 more sources
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.
R. Ramaekers +5 more
openaire +2 more sources
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
openaire +4 more sources
Photoreactions of alkylated 2-pyridones
Journal of the Chemical Society, Perkin Transactions 2, 1985Photoisomerisation and dimerisation reactions in solution have been studied with a series of alkylated 2- pyridones (1). The low quantum efficiencies for the photoisomerisation (0.01–0.07) are related to the short-lived singlet excited states (below 1 ns). The effects of temperature, solvent, and substrate concentration were also examined.
Ryoka Matsushima, Kazuhide Terada
openaire +2 more sources
ChemInform Abstract: Developments in the Chemistry of 2‐Pyridone
ChemInform, 2014AbstractReview: [53 refs.
M. A. Waly +3 more
openaire +3 more sources
ChemInform Abstract: A New Synthetic Method to 2‐Pyridones. [PDF]
ChemInform, 2000 AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Eva M. Brun +3 more
openaire +2 more sources
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
openaire +3 more sources
ChemInform, 2008
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Shang-Shing P. Chou, Pong-Won Chen
openaire +3 more sources
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Shang-Shing P. Chou, Pong-Won Chen
openaire +3 more sources
ChemInform Abstract: PHOTOISOMERIZATION OF 4‐PYRIDONES TO 2‐PYRIDONES
Chemischer Informationsdienst, 1974AbstractBestrahlung (Hg‐Mitteldrucklampe) der 4‐Pyridone (I) liefert die isomeren 2‐Pyridone (II) als Hauptprodukte, während die 4‐Pyridone (III) unter gleichen Bedingungen unverändert bleiben.
Nobuyuki Ishibe, Jun Masui
openaire +3 more sources
Infrared spectra of 2-pyridone-16O and 2-pyridone-18O
Canadian Journal of Chemistry, 1968A comparison of the infrared spectra of natural 2-pyridone with that of the oxygen-18 labelled compound indicated modest shifts not only for the CO stretching mode (8.3−17.8 cm−1) for the various species in solution, but also for ring modes (0−13 cm−1) indicating a considerable mixing of the vibrations.
Charles L. Bell +2 more
openaire +2 more sources
ChemInform Abstract: BROMINATION OF 1‐ALKYL‐2‐PYRIDONES
Chemischer Informationsdienst, 1982AbstractDie Bromierung der N‐Alkylpyridone (I) mit Dioxandibromid oder N‐Bromsuccinimid führt zu Gemischen der Monobromderivate (II).
T. I. Likhomanova +2 more
openaire +3 more sources