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MassMS-NW-9705 (+-)-3-(p-aminophenyl)-3-ethyl-2,6-piperidinedione C13H16N2O2 (Mass of molecular ion: 232)
Source Temperature: 170 °C Sample Temperature: 120 °C Direct, 75 eV
27.0 1.0 28.0 1.3 39.0 1.6 41.0 1.1 51.0 1.3 54.0 1.1 55.0 1.0 63.0 1.0 65.0 3.4 65.5 1.2 66.0 1.4 77.0 3.2 78.0 1.1 79.0 1.0 82.0 1.3 89.0 1.1 91.0 2.8 92.0 1.0 93.0 3.0 94.0 3.5 103.0 1.4 104.0 1.2 105.0 1.1 106.0 2.4 115.0 2.8 117.0 4.6 118.0 4.3 119.0 1.1 130.0 4.9 131.0 3.0 132.0 18.6 133.0 2.7 144.0 1.0 145.0 1.4 146.0 2.3 147.0 2.4 148.0 1.2 158.0 1.1 160.0 4.3 172.0 2.1 175.0 21.5 176.0 2.7 187.0 4.0 203.0 100.0 204.0 14.0 205.0 1.3 232.0 76.8 233.0 12.0 234.0 1.1
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C13 H16 N2 O2 0.035 g : 0.5 ml DMSO-d6 (+-)-3-(p-aminophenyl)-3-ethyl-2,6-piperidinedione 
Assign. Shift(ppm)
A 10.7 B 6.922 C 6.548 D 5.07 E 2.418 F 2.24 G 2.16 J 2.064 K 1.75 L 0.733 ASSIGNED BY C-H COSY
Hz ppm Int.4291.22 10.738 348 2771.31 6.935 609 2769.48 6.930 216 2762.70 6.913 693 2759.95 6.906 97 2623.68 6.565 87 2620.93 6.559 722 2619.10 6.554 232 2612.32 6.537 661 2609.57 6.530 85 2025.64 5.069 657 976.28 2.443 116 973.71 2.437 76 961.44 2.406 118 958.14 2.398 127 903.19 2.260 78 900.81 2.254 91 898.43 2.249 75 891.84 2.232 94 890.56 2.229 89 888.17 2.223 115 885.98 2.217 114 879.38 2.201 106 876.09 2.193 31 874.80 2.189 32 867.29 2.171 114 862.71 2.159 147 849.71 2.127 102 845.86 2.117 102 837.07 2.095 109 832.86 2.084 95 824.43 2.063 118 820.40 2.053 118 811.61 2.031 50 808.13 2.023 40 727.35 1.820 69 720.03 1.802 104 713.62 1.786 178 706.11 1.767 184 697.50 1.746 177 690.17 1.727 181 683.58 1.711 106 676.25 1.693 72 300.21 0.752 460 292.88 0.733 1000 285.37 0.715 426
in DMSO-d6
KBr disc
nujol mull
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