N-(tert-Butoxycarbonyl)-L-glutamine
Product Name N-(tert-Butoxycarbonyl)-L-glutamine
CAS13726-85-7
MFC10H18N2O5
MW246.26
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MassMS2015-05292CW N(alpha)-tert-butoxycarbonyl-L-glutamine C10H18N2O5 (Mass of molecular ion: 246)
Source Temperature: 245 °C Sample Temperature: 20 °C Direct, 70 eV
15.0 1.0 17.0 1.5 18.0 7.6 26.0 1.2 27.0 5.0 28.0 13.0 29.0 11.0 30.0 1.9 31.0 5.1 38.0 1.1 39.0 7.8 40.0 1.7 41.0 38.3 42.0 3.5 43.0 6.1 44.0 16.0 45.0 2.5 53.0 1.1 54.0 2.9 55.0 5.6 56.0 19.6 57.0 82.2 58.0 4.0 59.0 67.6 60.0 2.1 72.0 7.2 73.0 10.2 74.0 1.4 82.0 4.4 83.0 4.5 84.0 100.0 85.0 7.4 86.0 1.0 87.0 1.2 88.0 2.1 99.0 1.2 100.0 7.2 101.0 52.5 102.0 3.6 110.0 2.0 111.0 1.8 119.0 1.0 126.0 1.2 127.0 3.8 128.0 4.4 129.0 5.4 130.0 6.2 144.0 3.4 145.0 20.5 146.0 9.2 147.0 2.9 155.0 6.7 156.0 1.4 172.0 3.3 173.0 16.2 174.0 1.3 190.0 13.1 191.0 2.0 201.0 6.7
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C10 H18 N2 O5 0.040 g : 0.5 ml DMSO-d6 N(alpha)-tert-butoxycarbonyl-L-glutamine 
Assign. Shift(ppm)
A 12. B *1 7.27 C 7.07 D *1 6.76 E 3.854 F 2.128 G *2 1.910 J *2 1.707 K 1.380
Hz ppm Int.2908.87 7.279 41 2829.19 7.080 48 2821.13 7.060 49 2703.17 6.764 41 2702.62 6.763 41 1543.36 3.862 26 1539.15 3.852 25 1538.78 3.851 25 858.50 2.149 49 850.81 2.129 100 843.30 2.111 55 760.51 1.903 24 684.49 1.713 22 551.88 1.381 1000
in DMSO-d6
KBr disc
nujol mull
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