Product Name(E)-1-Phenyl-3-(4-bromophenyl)-2-propene-1-one
CAS22966-09-2
Molecular FormulaC15H11BrO
Molecular Weight287.15
InChIInChI=1S/C15H11BrO/c16-14-9-6-12(7-10-14)8-11-15(17)13-4-2-1-3-5-13/h1-11H/b11-8+
InChIKey JFARWEWTPMAQHW-DHZHZOJOSA-N
SmilesC(C1=CC=CC=C1)(=O)/C=C/C1=CC=C(Br)C=C1

Mass
MS-NW-9757 trans-4-bromochalcone C15H11BrO (Mass of molecular ion: 286)
Source Temperature: 150 °C Sample Temperature: 100 °C Direct, 75 eV
18.0 2.1
39.0 1.6
50.0 7.1
51.0 17.4
52.0 2.6
62.0 1.1
63.0 3.1
74.0 4.4
75.0 13.0
76.0 18.9
77.0 61.1
78.0 4.7
88.0 2.2
88.5 1.0
89.0 13.7
89.5 12.9
90.0 2.1
101.0 12.0
102.0 66.3
103.0 6.9
103.5 3.8
104.0 1.4
105.0 53.1
106.0 4.2
129.0 1.1
130.0 29.0
131.0 4.8
151.0 1.9
152.0 3.0
155.0 1.3
157.0 1.3
165.0 1.4
176.0 3.7
177.0 3.8
178.0 33.1
179.0 47.2
180.0 7.4
181.0 12.6
182.0 2.6
183.0 12.3
184.0 1.1
189.0 1.4
205.0 1.3
206.0 3.0
207.0 100.0
208.0 16.7
209.0 27.3
210.0 3.0
211.0 26.0
212.0 2.6
258.0 3.7
260.0 3.6
271.0 1.0
285.0 37.4
286.0 84.0
287.0 49.7
288.0 82.4
289.0 13.1
290.0 1.3
400 MHz in CDCl3
90 MHz in CDCl3

| 1H NMR | 399.65 MHz |
| C15 H11 Br O | 0.034 g : 0.5 ml CDCl3 |
| trans-4-bromochalcone | |
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Assign. Shift(ppm) |
Hz ppm Int.
3208.62 8.029 64 3206.67 8.024 317 3205.93 8.022 275 3205.32 8.021 398 3203.98 8.017 176 3200.44 8.009 124 3198.36 8.003 485 3196.90 8.000 384 3098.63 7.754 236 3082.89 7.714 333 3042.24 7.613 59 3040.89 7.609 107 3039.55 7.606 68 3035.89 7.597 79 3033.57 7.591 223 3031.49 7.586 100 3030.03 7.582 34 3027.59 7.576 148 3026.25 7.573 248 3024.90 7.569 140 3022.22 7.563 77 3020.14 7.557 333 3018.19 7.553 146 3013.67 7.541 229 3011.11 7.535 1000 3009.64 7.531 224 3008.30 7.528 133 3006.96 7.524 276 3006.47 7.523 357 3005.00 7.520 191 3001.10 7.510 206 2999.15 7.505 937 2997.31 7.500 313 2995.24 7.495 496 2993.04 7.490 193 2992.55 7.488 171 2991.46 7.486 358 2990.84 7.484 405 2988.28 7.478 53

| 1H NMR | 89.56 MHz |
| C15 H11 Br O | 0.034 g : 0.5 ml CDCl3 |
| trans-4-bromochalcone | |
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Assign. Shift(ppm) |
Hz ppm Int.
722.38 8.066 132
720.63 8.047 143
718.69 8.025 71
717.69 8.014 76
717.13 8.008 76
715.25 7.987 123
713.88 7.971 77
712.63 7.958 187
711.00 7.939 33
702.81 7.848 78
687.06 7.672 331
684.19 7.640 42
682.44 7.620 96
680.56 7.599 110
677.81 7.569 598
675.81 7.546 336
673.38 7.519 1000
670.75 7.490 136
669.75 7.479 157
667.06 7.449 53
666.38 7.441 54
664.63 7.422 70
662.13 7.394 106
in CDCl3

KBr disc

nujol mull

(E)-1-Phenyl-3-(4-bromophenyl)-2-propene-1-one(22966-09-2) MS Atlas of Related Products
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