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MS-IW-4196 5,6,7,8-tetrahydroquinoxaline C8H10N2 (Mass of molecular ion: 134)
Source Temperature: 240 °C Sample Temperature: 150 °C Reservoir, 75 eV
26.0 1.4 27.0 2.2 28.0 2.2 39.0 5.3 40.0 2.0 41.0 5.8 42.0 1.2 50.0 1.2 51.0 2.9 52.0 8.8 53.0 4.0 54.0 4.3 55.0 1.3 65.0 2.8 66.0 4.6 67.0 8.3 68.0 1.2 69.0 3.0 77.0 3.3 78.0 4.7 79.0 11.9 80.0 5.8 81.0 1.2 82.0 1.1 92.0 4.5 93.0 2.1 94.0 2.0 104.0 1.1 105.0 4.4 106.0 22.4 107.0 6.8 108.0 1.0 118.0 3.8 119.0 20.5 120.0 1.7 131.0 3.5 132.0 3.4 133.0 61.6 134.0 100.0 135.0 9.9
400 MHz in CDCl3
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1H NMR 399.65 MHz C8 H10 N2 0.05 ml : 0.5 ml CDCl3 5,6,7,8-tetrahydroquinoxaline Assign. Shift(ppm)
A 8.304 B 2.959 C 1.926
Hz ppm Int.
3318.73 8.305 1000 1189.45 2.977 264 1186.65 2.970 307 1185.06 2.966 370 1182.62 2.960 594 1180.18 2.954 364 1178.47 2.949 296 1175.90 2.943 260 781.62 1.956 47 780.40 1.953 55 776.61 1.944 328 773.56 1.936 388 772.71 1.934 391 769.78 1.927 712 766.72 1.919 368 765.99 1.917 368 762.94 1.910 289 759.16 1.900 59 758.06 1.897 50
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