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MS-NW-2409 N(alpha),N(omega)-bis(benzyloxycarbonyl)-L-arginine C22H26N4O6 (Mass of molecular ion: 442)
Source Temperature: 260 °C Sample Temperature: 240 °C Direct, 75 eV
16.0 2.2 17.0 3.4 18.0 17.2 26.0 2.6 27.0 8.1 28.0 21.4 29.0 4.7 30.0 1.9 31.0 3.2 37.0 2.1 38.0 3.5 39.0 13.4 40.0 1.7 41.0 3.3 42.0 2.8 43.0 4.4 44.0 48.8 49.0 1.2 50.0 10.5 51.0 22.3 52.0 7.1 53.0 5.4 53.5 1.5 54.0 1.8 55.0 1.6 56.0 1.5 61.0 1.8 62.0 2.5 63.0 6.1 64.0 1.7 65.0 9.5 66.0 1.1 68.0 1.0 69.0 3.4 70.0 1.9 74.0 3.0 75.0 1.8 76.0 1.7 77.0 52.5 78.0 13.5 79.0 100.0 80.0 10.8 85.0 1.0 89.0 6.9 90.0 9.3 91.0 29.0 92.0 4.7 97.0 1.4 99.0 1.5 105.0 7.7 106.0 5.2 107.0 64.8 108.0 90.8 109.0 7.2 110.0 1.0 113.0 1.0 141.0 1.6
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C22 H26 N4 O6 0.031 g : 0.5 ml DMSO-d6 N(alpha),N(omega)-bis(benzyloxycarbonyl)-L-arginine Assign. Shift(ppm)
A 7.35 B 5.03 C 3.94 D 3.11 E *1 1.72 F *1 1.53
Hz ppm Int.
2939.00 7.354 741 2937.16 7.350 376 2935.49 7.346 353 2931.82 7.336 1000 2008.97 5.027 437 1566.47 3.920 44 1244.81 3.115 67 687.41 1.721 31 611.57 1.531 47
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