(1E,3E,5E,7E)-1,8-Diphenyl-1,3,5,7-octatetrene(22828-29-1) IR1
Product Name(1E,3E,5E,7E)-1,8-Diphenyl-1,3,5,7-octatetrene
CAS22828-29-1
Molecular Formula
Molecular Weight
-
MassMS-IW-5960 all-trans-(1,3,5,7-octatetraenylene)dibenzene C20H18 (Mass of molecular ion: 258)
Source Temperature: 180 °C Sample Temperature: 180 °C Direct, 75 eV
39.0 2.1 51.0 2.8 63.0 2.0 65.0 2.8 76.0 1.8 77.0 5.3 78.0 2.9 89.0 2.6 91.0 19.7 92.0 1.7 101.0 1.9 102.0 2.3 103.0 3.2 104.0 5.1 107.5 1.4 108.0 1.1 113.0 1.9 114.0 2.9 115.0 17.5 116.0 4.0 117.0 53.4 118.0 5.3 119.5 1.8 120.0 1.8 126.0 2.3 127.0 3.9 128.0 12.1 129.0 16.8 129.5 2.4 130.0 2.4 139.0 1.6 141.0 9.6 142.0 2.6 143.0 1.7 151.0 2.2 152.0 13.7 153.0 9.2 154.0 35.2 155.0 7.3 156.0 1.5 165.0 21.8 166.0 12.9 167.0 54.5 168.0 8.0 169.0 1.4 176.0 1.0 177.0 1.0 178.0 7.6 179.0 10.2 180.0 8.3 181.0 3.5 191.0 1.2 202.0 2.3 203.0 1.2 204.0 1.4 215.0 4.0 216.0 1.7 217.0 4.3 226.0 1.0 228.0 3.3 229.0 3.0 230.0 1.7 239.0 2.3 240.0 1.4 241.0 3.4 242.0 2.0 243.0 4.9 244.0 1.0 252.0 1.5 253.0 1.3 255.0 2.0 256.0 5.2 257.0 4.1 258.0 100.0 259.0 21.8 260.0 2.8
400 MHz (at 50.C)
-
1H NMR 399.65 MHz C20 H18 saturated in CDCl3 at 50C all-trans-(1,3,5,7-octatetraenylene)dibenzene 
Assign. Shift(ppm)
A 7.39 B 7.298 C 7.204 D 6.845 E 6.577 F 6.44 J(D,E)=15.7HZ
Hz ppm Int.2961.91 7.412 80 2959.59 7.406 430 2959.11 7.405 451 2957.76 7.401 677 2955.81 7.396 267 2950.56 7.383 904 2949.95 7.382 930 2945.56 7.371 101 2945.07 7.370 93 2944.70 7.369 95 2943.85 7.367 90 2943.36 7.365 91 2943.12 7.365 91 2942.26 7.363 92 2941.77 7.361 85 2941.41 7.360 85 2940.92 7.359 83 2940.19 7.357 85 2939.82 7.356 83 2939.09 7.355 79 2938.60 7.353 82 2938.35 7.353 82 2937.87 7.352 82 2936.89 7.349 81 2936.28 7.348 76 2935.42 7.345 77 2934.94 7.344 77 2934.33 7.343 78 2933.84 7.342 76 2932.86 7.339 80 2932.01 7.337 85 2931.03 7.334 84 2929.93 7.332 94 2929.32 7.330 98 2927.61 7.326 116 2924.32 7.318 566 2922.61 7.313 253 2920.78 7.309 204 2916.99 7.299 1000 2915.77 7.296 531 2913.70 7.291 168 2910.77 7.284 286 2909.18 7.280 536 2907.59 7.276 168 2906.49 7.273 99 2906.13 7.272 91 2905.40 7.270 79 2904.17 7.267 68 2902.83 7.264 65 2901.98 7.262 68 2897.58 7.251 65 2890.50 7.233 65 2888.43 7.228 68 2887.33 7.225 75 2885.86 7.221 247 2884.64 7.218 389 2883.30 7.215 247 2879.27 7.205 172 2877.32 7.200 468 2875.37 7.195 167 2871.34 7.185 118 2870.00 7.182 189 2868.77 7.179 116 2750.37 6.882 72 2750.00 6.882 78 2749.51 6.880 79 2748.05 6.877 69 2747.07 6.874 79 2746.34 6.872 87 2744.26 6.867 73 2743.16 6.864 87 2742.68 6.863 96 2741.33 6.860 98 2740.97 6.859 102 2735.11 6.844 109 2734.74 6.843 108 2734.38 6.842 106 2733.40 6.840 100 2732.91 6.839 102 2731.93 6.836 121 2731.20 6.834 129 2729.37 6.830 90 2727.17 6.824 108 2726.68 6.823 108 2725.22 6.820 127 2635.38 6.595 564 2632.57 6.588 90 2631.59 6.585 67 2619.63 6.555 429 2578.00 6.451 388 2576.29 6.447 459 2574.46 6.442 441 2572.27 6.437 869 2570.31 6.432 306 2568.97 6.429 138 2567.26 6.424 88 2566.89 6.423 77
in CDCl3
KBr disc
nujol mull
