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MassMS-IW-9269 o-benzyl-N-tert-butoxycarbonyl-D-serine C15H21NO5 (Mass of molecular ion: 295)
Source Temperature: 170 °C Sample Temperature: 130 °C Direct, 75 eV
18.0 1.1 27.0 2.1 28.0 3.9 29.0 4.3 31.0 4.2 39.0 5.6 40.0 1.1 41.0 15.3 42.0 2.2 43.0 12.1 44.0 8.6 50.0 1.0 51.0 2.3 55.0 2.5 56.0 5.2 57.0 48.7 58.0 2.4 59.0 15.3 63.0 1.2 65.0 7.0 73.0 1.1 74.0 9.1 77.0 2.7 79.0 3.3 87.0 3.1 88.0 4.4 89.0 6.2 90.0 1.6 91.0 100.0 92.0 12.5 105.0 1.8 107.0 7.5 108.0 2.6 120.0 1.6 121.0 2.8 132.0 4.9 133.0 4.6 148.0 12.7 149.0 1.4 150.0 1.5 194.0 2.9 209.0 1.3 238.0 1.0 239.0 2.4
400 MHz in CDCl3
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1H NMR 399.65 MHz C15 H21 N O5 0.042 g : 0.5 ml CDCl3 O-benzyl-N-tert-butoxycarbonyl-D-serine 
Assign. Shift(ppm)
A 10.4 B 7.33 to 7.27 C 5.45 D 4.530 E 4.49 F *1 3.922 G *1 3.708 J 1.447
Hz ppm Int.2936.25 7.348 31 2934.88 7.344 52 2933.20 7.340 33 2927.55 7.326 138 2926.48 7.323 126 2920.84 7.309 258 2913.51 7.291 214 2907.41 7.275 103 2905.27 7.270 101 2899.63 7.256 35 2183.53 5.464 40 2174.84 5.442 41 1810.61 4.531 424 1797.79 4.499 50 1789.25 4.478 34 1563.72 3.913 37 1560.97 3.906 36 1488.19 3.724 43 1484.99 3.716 45 1478.88 3.701 40 1475.52 3.693 38 578.31 1.448 1000
in CDCl3
KBr disc
nujol mull
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