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MassMS-NW-0386 oxalic acid bis(cyclohexylidenehydrazide) C14H22N4O2 (Mass of molecular ion: 278)
Source Temperature: 160 °C Sample Temperature: 160 °C Direct, 75 eV
18.0 1.3 27.0 2.7 28.0 1.4 29.0 3.1 30.0 2.5 39.0 3.7 41.0 12.3 42.0 3.9 43.0 1.1 53.0 2.5 54.0 7.9 55.0 13.3 56.0 1.2 67.0 4.9 68.0 2.6 69.0 7.0 79.0 1.2 81.0 3.3 82.0 2.1 84.0 1.6 94.0 1.0 95.0 1.3 96.0 5.3 97.0 6.2 98.0 18.7 99.0 1.3 111.0 1.9 112.0 18.8 113.0 1.7 137.0 1.0 138.0 1.1 139.0 100.0 140.0 9.1 235.0 1.5 278.0 5.9 279.0 1.0
400 MHz in CDCl3
90 MHz in CDCl3
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1H NMR 399.65 MHz C14 H22 N4 O2 0.039 g : 0.5 ml CDCl3 oxalic acid bis(cyclohexylidenehydrazide) 
Assign. Shift(ppm)
A 10.1 B *1 2.465 C *1 2.404 D 1.76 E 1.68
Hz ppm Int.4029.08 10.082 599 991.67 2.482 747 985.57 2.467 1000 979.00 2.450 858 967.71 2.422 633 961.61 2.407 968 955.05 2.390 781 720.21 1.803 154 714.26 1.788 368 708.01 1.772 683 702.21 1.758 776 696.11 1.742 750 690.46 1.728 518 683.75 1.711 311 678.25 1.698 364 675.96 1.692 392 672.15 1.682 567 667.88 1.672 544 660.55 1.653 272
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1H NMR 89.56 MHz C14 H22 N4 O2 0.046 g : 0.5 ml CDCl3 oxalic acid bis(cyclohexylidenehydrazide) Assign. Shift(ppm)
A 10.06 B 2.427 C 1.87 to 1.62
Hz ppm Int.900.56 10.056 163 221.06 2.469 474 215.00 2.401 593 209.50 2.340 257 209.19 2.336 257 205.81 2.299 60 169.63 1.895 58 169.13 1.889 59 168.31 1.880 64 167.50 1.871 84 164.13 1.833 171 163.75 1.829 175 160.19 1.789 314 153.75 1.717 1000 152.06 1.698 981
in CDCl3
in DMSO-d6
KBr disc
nujol mull
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