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MassMS-IW-3608 N(2)-(9-fluorenylmethoxycarbonyl)-L-asparagine C19H18N2O5 (Mass of molecular ion: 354)
Source Temperature: 160 °C Sample Temperature: 140 °C Direct, 75 eV
17.0 1.1 18.0 1.6 28.0 1.6 42.0 1.5 43.0 2.1 44.0 3.5 59.0 1.1 63.0 1.3 70.0 1.1 75.0 1.1 76.0 3.1 86.0 1.0 87.0 1.3 88.0 2.8 89.0 4.6 89.5 1.2 115.0 1.2 139.0 1.8 150.0 1.1 151.0 2.1 152.0 3.0 163.0 3.9 164.0 3.5 165.0 33.7 166.0 20.0 167.0 2.8 176.0 5.3 177.0 4.2 178.0 100.0 179.0 18.7 180.0 1.8 196.0 7.5 197.0 1.2 337.0 3.5
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C19 H18 N2 O5 0.033 g : 0.5 ml DMSO-d6 N(2)-(9-fluorenylmethoxycarbonyl)-L-asparagine 
Assign. Shift(ppm)
A 12.7 B 7.899 C 7.727 D 7.577 E 7.425 F *1 7.40 G 7.345 J *1 6.97 K 4.378 L 4.29 M 4.24 P *2 2.60 Q *2 2.50 ASSIGNED BY CH-COSY
Hz ppm Int.3160.81 7.909 566 3153.34 7.891 614 3092.22 7.738 386 3084.96 7.720 455 3032.60 7.589 220 3024.27 7.568 228 2975.98 7.447 259 2968.71 7.429 576 2961.02 7.410 421 2956.11 7.397 246 2942.22 7.362 300 2934.74 7.344 437 2927.47 7.326 198 2786.01 6.972 205 1760.76 4.406 63 1755.41 4.393 91 1752.85 4.386 142 1747.51 4.373 142 1744.94 4.367 104 1739.39 4.353 73 1718.87 4.301 240 1712.68 4.286 551 1700.28 4.255 225 1694.09 4.239 214 1686.39 4.220 92 1051.11 2.631 103 1048.33 2.624 32 1045.98 2.618 114 1035.73 2.592 215 1030.38 2.579 194 1002.39 2.509 1000 992.78 2.485 129 984.87 2.465 95
in DMSO-d6
KBr disc
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