Chemistry, 21.02.2020 19:52 SignoraPenguino
Propose a structure for the compound that has the following spectra: NMR: δ 1.28 (3H, t, J = 7 Hz); δ 3.91 (2H, q, J = 7 Hz); δ 5.0 (1H, d, J = 4 Hz); δ 6.49 (1H, d, J = 4 Hz) ppm IR: 3100, 1644 (strong), 1104, 1166, 694 cm -1 (strong) no IR absorptions in the range 700-1100 cm -1 or above 3100 cm-1 Mass spectrum: m/z = 152, 150 (equal intensity; double molecular ion)
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Propose a structure for the compound that has the following spectra: NMR: δ 1.28 (3H, t, J = 7 Hz);...
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