(E)-4-(Dimethylamino)-4'-methoxychalcone
Product Name (E)-4-(Dimethylamino)-4'-methoxychalcone
CAS52119-37-6
MFC18H19NO2
MW281.35
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MassMS-NW-9748 trans-4-dimethylamino-4'-methoxychalcone C18H19NO2 (Mass of molecular ion: 281)
Source Temperature: 180 °C Sample Temperature: 150 °C Direct, 75 eV
77.0 4.1 92.0 2.2 102.0 1.2 103.0 1.7 105.0 1.0 107.0 1.8 119.0 1.3 120.0 2.2 121.0 20.1 122.0 1.8 126.0 1.1 126.5 5.2 127.0 1.1 130.0 2.3 131.0 2.1 135.0 5.1 144.0 2.7 145.0 1.7 146.0 7.0 165.0 2.3 166.0 1.6 174.0 14.8 175.0 1.8 194.0 2.4 195.0 2.1 208.0 1.6 209.0 2.4 210.0 2.3 221.0 1.5 222.0 2.1 223.0 1.9 236.0 1.0 237.0 7.2 238.0 10.7 239.0 1.9 249.0 1.0 250.0 11.5 251.0 2.7 252.0 4.8 253.0 4.0 264.0 3.4 265.0 3.9 266.0 20.6 267.0 4.1 280.0 26.7 281.0 100.0 282.0 19.8 283.0 2.5
400 MHz in CDCl3
90 MHz in CDCl3
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1H NMR 399.65 MHz C18 H19 N O2 0.033 g : 0.5 ml CDCl3 trans-4-dimethylamino-4'-methoxychalcone 
Assign. Shift(ppm)
A 8.024 B 7.783 C 7.536 D 7.351 E 6.960 F 6.678 G 3.862 J 3.014 J(B,D)=15.5HZ. 90MHZ. : HSP-05-091
Hz ppm Int.3211.43 8.036 143 3209.35 8.031 44 3204.59 8.019 45 3202.39 8.013 148 3118.90 7.805 55 3103.39 7.766 65 3015.87 7.547 100 3014.16 7.543 33 3009.03 7.530 34 3007.32 7.525 104 2944.95 7.369 105 2929.44 7.331 89 2786.01 6.972 145 2783.94 6.966 43 2779.17 6.955 42 2776.98 6.949 137 2673.34 6.690 100 2671.39 6.685 34 2666.38 6.672 32 2664.43 6.667 96 1543.70 3.863 605 1204.71 3.015 1000
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1H NMR 89.56 MHz C18 H19 N O2 0.033 g : 0.5 ml CDCl3 trans-4-dimethylamino-4'-methoxychalcone Assign. Shift(ppm)
A 8.020 B 7.765 C 7.53 D 7.36 E 6.959 F 6.678 G 3.859 J 3.012 400MHZ. : HSP-41-802
Hz ppm Int.723.00 8.073 108 720.88 8.050 36 716.13 7.997 42 713.94 7.972 129 705.94 7.883 35 690.50 7.710 73 679.13 7.583 78 677.31 7.563 31 672.13 7.505 35 670.44 7.486 98 664.13 7.416 109 648.75 7.244 60 627.31 7.005 127 625.19 6.981 36 620.44 6.928 36 618.31 6.904 103 602.00 6.722 97 600.06 6.701 31 595.06 6.645 30 593.06 6.622 76 345.75 3.861 539 269.81 3.013 1000
in CDCl3
KBr disc
nujol mull
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