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MassMS-KW-0570 trans-3,5-dimethoxystilbene C16H16O2 (Mass of molecular ion: 240)
Source Temperature: 170 °C Sample Temperature: 120 °C Direct, 75 eV
18.0 1.1 28.0 1.1 39.0 1.3 51.0 2.4 63.0 2.5 64.0 1.8 69.0 1.6 69.5 1.4 75.0 1.1 76.0 4.8 77.0 2.9 81.5 1.0 82.0 3.2 82.5 3.8 83.0 1.8 89.0 2.8 91.0 3.1 102.0 1.4 103.0 1.8 105.0 1.7 112.5 5.1 113.0 1.2 115.0 3.3 119.0 1.1 120.0 7.5 127.0 1.8 128.0 2.4 129.0 1.0 139.0 2.2 141.0 2.6 151.0 1.8 152.0 7.4 153.0 7.3 154.0 3.5 155.0 1.1 163.0 1.3 164.0 2.6 165.0 20.4 166.0 6.3 167.0 3.2 176.0 1.2 177.0 4.7 178.0 5.9 179.0 5.4 180.0 1.6 181.0 4.5 182.0 3.2 192.0 2.1 193.0 3.3 194.0 9.3 195.0 3.2 196.0 1.5 197.0 3.6 207.0 1.3 208.0 9.4 209.0 15.5 210.0 4.3 211.0 1.8 224.0 7.7 225.0 8.1 226.0 1.3 239.0 30.2 240.0 100.0 241.0 17.1 242.0 1.8
400 MHz in CDCl3
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1H NMR 399.65 MHz C16H16O2 0.040 g : 0.5 ml CDCl3 trans-3,5-dimethoxylstilbene 
Assign. Shift(ppm)
A 7.490 B 7.339 C 7.248 D *1 7.065 E *1 7.029 F 6.666 G 6.392 J 3.805
Hz ppm Int.2999.39 7.503 63 2997.93 7.499 84 2990.73 7.481 96 2990.00 7.480 90 2941.53 7.358 60 2939.82 7.354 23 2934.21 7.340 115 2932.99 7.337 56 2927.98 7.324 31 2926.40 7.320 65 2913.70 7.289 3 2904.55 7.266 26 2903.20 7.262 46 2901.98 7.259 27 2897.83 7.249 21 2895.88 7.244 57 2893.93 7.239 16 2889.78 7.229 13 2888.55 7.226 22 2887.33 7.223 12 2837.53 7.098 26 2821.17 7.057 120 2812.87 7.036 133 2796.64 6.996 28 2665.78 6.669 193 2663.46 6.663 195 2557.26 6.397 63 2554.94 6.391 111 2552.74 6.386 57 1592.05 3.983 7 1521.12 3.805 1000 1503.91 3.762 3 1448.25 3.623 7
in CDCl3
KBr disk
Nujol
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