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. 2020 Jan 10;12(1):193. doi: 10.3390/polym12010193

Table 3.

1H-NMR spectral data for 1–3.

Polyphosphate 1H-NMR (Chemical Shift, Ppm)
1 8.51 (s, 3H, CH), 7.68–7.25 (m, 12H, Ar), 5.41 (s, exch., 3H, NH), 3.31–3.21 (m, 12H, CH2CH2), 2.88–2.74 (m, 12H, CH2CH2)
2 24 (s, 3H, CH), 7.45–7.22 (m, 12H, Ar), 5.34 (s, exch., 3H, NH), 3.43–3.23 (m, 12H, CH2CH2), 2.78–2.67 (m, 12H, CH2CH2)
3 8.45 (s, 3H, CH), 7.60 (d, J = 8.6 Hz, 6H, H3/H5 of Ar), 7.22 (d, J = 8.6 Hz, 6H, H2/H6 of Ar), 5.22 (s, exch., 3H, NH), 3.48–3.40 (m, 12H, CH2CH2), 2.72–2.64 (m, 12H, CH2CH2)