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Questions Using the spectrum attached to this procedure, assign the peaks in the H NMR spectrum for 3.4-methylenedioxynitros
1) CH3NO2, NaOH 2) HCI, H2O piperonal Mol. Wt.: 150.13 3,4-methylenedioxynitrostyrene Mol. Wt.: 193.16
—3177.4 - 3163.9 -2995.7 -2982.2 -2904.9 2838.0 2836.4 2030.0 2828.3 2801.0 2799.3 -2753.7 2745.6 8.2 8.1 8.0 7.9 7.8 7.7 7.6
155 -151.39 150 - 148.78 145 140 - 139.11 135 -135.41 130 - 126.64 125 - 124.20 120 115 110 - 109.09 TO LOT- 105 - 102.08 ppm
-1033.66 --1035.59 -1259.29 3 Waverumber (am-1) 1400 -1270.86 -1336.43 1200 Wavenumber(cm-1) 1400 -1450.21 -- 1494.56 --1496.
F1 (ppm] <<(0) 00 F2 (ppm]
0 0
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