400 MHz in DMSO-d6
-
1H NMR 399.65 MHz C4 H7 N O 0.036 g : 0.5 ml DMSO-d6 2-pyrrolidone hydrotribromide 
Assign. Shift(ppm)
A *1 7.64 B *1 6.87 C 3.226 D 2.097 E 1.975
Hz ppm Int.3055.54 7.646 40 2748.66 6.878 38 1296.39 3.244 694 1292.24 3.234 103 1289.43 3.227 1000 1286.25 3.219 78 1282.59 3.210 680 848.63 2.124 280 847.41 2.121 323 843.38 2.111 78 840.09 2.103 817 838.99 2.100 481 835.33 2.091 84 834.84 2.089 83 832.28 2.083 662 831.91 2.082 664 803.47 2.011 174 802.61 2.009 165 800.42 2.003 39 799.32 2.001 59 796.39 1.993 508 793.82 1.987 161 788.94 1.975 567 786.99 1.970 261 784.67 1.964 82 781.37 1.956 357 779.42 1.951 176 774.05 1.937 93 772.71 1.934 89
in DMSO-d6
in CDCl3
KBr disc
nujol mull
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