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MassMS-NW-6635 1,2-O-isopropylidene-D-glucofuranose C9H16O6 (Mass of molecular ion: 220)
Source Temperature: 180 °C Sample Temperature: 120 °C Direct, 75 eV
15.0 6.4 18.0 3.2 19.0 5.4 27.0 5.6 28.0 2.0 29.0 6.7 31.0 13.8 39.0 4.1 41.0 6.6 42.0 2.4 43.0 49.6 44.0 3.0 45.0 4.3 55.0 6.3 56.0 1.9 57.0 6.2 58.0 2.2 59.0 100.0 60.0 5.4 61.0 7.1 69.0 4.4 71.0 10.1 72.0 1.1 73.0 48.4 74.0 2.5 81.0 1.1 83.0 1.2 84.0 1.2 85.0 29.5 86.0 3.5 87.0 1.1 89.0 1.0 91.0 1.8 97.0 2.1 99.0 2.1 100.0 10.5 101.0 8.7 102.0 2.3 103.0 1.6 104.0 1.5 109.0 1.6 113.0 8.8 114.0 1.0 115.0 1.1 127.0 11.5 128.0 1.0 129.0 2.9 131.0 3.8 142.0 1.4 145.0 2.0 149.0 1.2 159.0 25.1 160.0 2.3 177.0 1.0 189.0 1.3 205.0 25.9 206.0 2.6
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C9 H16 O6 0.036 g : 0.5 ml DMSO-d6 1,2-O-isopropylidene-D-glucofuranose 
Assign. Shift(ppm)
A 5.785 B 5.13 C 4.65 D 4.45 E 4.369 F 4.028 G 3.828 J 3.686 K *1 3.549 L *1 3.36 M *2 1.366 N *2 1.225 ASSIGNED BY H-H COSY SIGNAL L IS OVERLAPPED BY H2O AT 3.36 PPM
Hz ppm Int.2314.21 5.791 245 2310.55 5.782 238 2052.61 5.137 90 2052.00 5.135 90 2051.27 5.133 89 2050.90 5.132 89 2050.42 5.131 89 1862.55 4.661 80 1857.67 4.649 77 1783.57 4.463 61 1777.95 4.449 120 1772.34 4.435 61 1748.17 4.375 239 1744.38 4.365 227 1610.11 4.029 146 1536.01 3.844 117 1533.45 3.837 106 1527.47 3.823 149 1524.90 3.816 137 1473.88 3.688 62 1473.27 3.687 62 1472.53 3.685 61 1472.05 3.684 61 1471.44 3.682 61 1469.12 3.677 56 1468.87 3.676 56 1429.08 3.576 41 1426.15 3.569 49 1424.07 3.564 50 1420.90 3.556 44 1417.97 3.549 59 1414.92 3.541 64 1412.96 3.536 63 1409.91 3.528 45 1352.91 3.386 50 1341.55 3.357 79 1335.94 3.343 64 1330.08 3.329 32 545.90 1.366 1000 489.50 1.225 934
in DMSO-d6
KBr disc
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