DOI: 10.1055/s-00040992

Organic Materials

References

Otter R, Henke NA, Berac C, Bauer T, Barz M, Seiffert S, Besenius P.
Macromol. Rapid Commun. 2018;
39: 1800459 Characterization of C2 1H NMR (400 MHz, DMSO-d6, 298 K): δ/ppm: 14.14 (s(br), 8H, NH2+His), 9.04–8.92 (m, 4H, CHHis), 8.48 (d, 2H, α-NH), 8.35 (d, J = 8.2 Hz, 2H, α-NH), 8.21 (d, J = 7.5 Hz, 2H, α-NH), 8.18–8.08 (m, 4H, α-NH/NHAhx), 8.03 (d, J = 7.4 Hz, 2H, α-NH), 7.99 (t, J = 5.6 Hz, 2H, NH Gly), 7.90 (t, J = 5.5 Hz, 2H, PEG-NH), 7.48–7.08 (m, 34H, CHHis /CHPhe), 4.66–4.34 (m, 10H, α-CH), 3.65 (d, J = 6.0 Hz, 4H, CH2Gly), 3.50 (s (br), 264H, PEG–CH2), 3.39 (t, J = 5.8 Hz, 4H, PEGCH2CH2NH), 3.20 (q, J = 5.8 Hz, 4H, PEGCH2CH2NH), 3.11–2.70 (m, 24H, CH2His /CH2Phe /CH2Ahx), 2.10 (t, J = 7.5 Hz, 4H, CH2Ahx), 1.74 (s, 6H, NHCOCH3) 1.50–1.40 (m, 4H, CH2Ahx), 1.36–1.26 (m, 4H, CH2Ahx), 1.19–1.10 (m, 4H, CH2Ahx). MALDI-MS (DIT + KTFA, DCM/MeOH = 1/1) (m/z): Calculated for [C234H391N24O83]+ : 4868.8, found: 4867.6; calculated for [C234H39oN24O83Na]+ : 4890.8, found: 4890.0

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