Two compounds with the molecular formula C5H10O have the following 1H and 13C NMR data. Both compounds have a strong IR absorption band in the 1710–1740-cm_1 region. Elucidate the structure of these two compounds and interpret the spectra. (10) (a) 1H NMR: d 2.55 (septet, 1H), 2.10 (singlet, 3H), 1.05 (doublet, 6H); 13C NMR: d 212.6, 41.5, 27.2, 17.8 (b) 1H NMR: d 2.38 (triplet, 2H), 2.10 (singlet, 3H), 1.57 (sextet, 2H), 0.88 (triplet, 3H);
Two compounds with the molecular formula C5H10O have the following 1H and 13C NMR data. Both compounds have a strong IR absorption band in the 1710–1740-cm_1 region. Elucidate the structure of these two compounds and interpret the spectra. (10) (a) 1H NMR: d 2.55 (septet, 1H), 2.10 (singlet, 3H), 1.05 (doublet, 6H); 13C NMR: d 212.6, 41.5, 27.2, 17.8 (b) 1H NMR: d 2.38 (triplet, 2H), 2.10 (singlet, 3H), 1.57 (sextet, 2H), 0.88 (triplet, 3H);
Chapter12: Structure Determination: Mass Spectrometry And Infrared Spectroscopy
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Problem 46AP: Ketones undergo a reduction when treated with sodium borohydride, NaBH4. What is the structure of...
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Two compounds with the molecular formula C5H10O have the following 1H and 13C NMR data. Both compounds have a strong IR absorption band in the 1710–1740-cm_1 region. Elucidate the structure of these two compounds and interpret the spectra. (10)
(a) 1H NMR: d 2.55 (septet, 1H), 2.10 (singlet, 3H), 1.05 (doublet, 6H);
13C NMR: d 212.6, 41.5, 27.2, 17.8
(b) 1H NMR: d 2.38 (triplet, 2H), 2.10 (singlet, 3H), 1.57 (sextet, 2H), 0.88 (triplet, 3H);
13C NMR: d 209.0, 45.5, 29.5, 17.0, 13.2
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