This page provides supplementary chemical data on
2-pyridone.
Analytical data
NMR spectroscopy
Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy or magnetic resonance spectroscopy (MRS), is a spectroscopic technique to observe local magnetic fields around atomic nuclei. The sample is placed in a magnetic fie ...
1H-NMR
1H-NMR (400 MHz, CD
3OD): /ρ = 8.07 (dd,
3J = 2.5 Hz,
4J = 1.1 Hz, 1H, C-6), 7.98 (dd,
3J = 4.0 Hz,
3J = 2.0 Hz, 1H, C-3), 7.23 (dd,
3J = 2.5 Hz,
3J = 2.0 Hz, 1H, C-5), 7.21 (dd,
3J = 4.0 Hz,
4J = 1.0 Hz, 1H, C-4).
13C-NMR
(100.57 MHz, CD
3OD): ρ = 155.9 (C-2), 140.8 (C-4), 138.3 (C-6), 125.8 (C-3), 124.4 (C-5)
UV/Vis spectroscopy
(MeOH):ν
max (lg ε) = 226.2 (0.44), 297.6 (0.30).
IR spectroscopy
Infrared spectroscopy (IR spectroscopy or vibrational spectroscopy) is the measurement of the interaction of infrared radiation with matter by absorption, emission, or reflection. It is used to study and identify chemical substances or function ...
(KBr): ν = 3440 cm
−1–1 (br, m), 3119 (m), 3072 (m), 2986
(m), 1682 (s), 1649 (vs), 1609 (vs), 1578 (vs), 1540 (s), 1456 (m), 1433 (m), 1364 (w), 1243 (m), 1156 (m), 1098 (m), 983 (m), 926 (w), 781 (s), 730 (w), 612 (w), 560 (w), 554 (w), 526 (m), 476 (m), 451 (w).
Mass spectrometry
EI-MS (70 eV): m/z (%) = 95 (100)
+ 67 (35)
+ - CO 51 (4)
4H3+
References
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*{{Cite journal , last1 = Roberts , first1 = J. D. , last2 = Von Ostwalden , first2 = P. W. , doi = 10.1021/jo00823a029 , title = Nuclear magnetic resonance specroscopy. Proton spectra of 2-pyridones , journal = The Journal of Organic Chemistry , volume = 36 , issue = 24 , pages = 3792 , year = 1971
Pyridone, 2-
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