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. 2020 Sep 29;25(19):4471. doi: 10.3390/molecules25194471

Figure 2.

Figure 2

Spectral analysis of synthesized molecule (A) 1H NMR of CurNQ in deuterated dimethyl sulfoxide (d-DMSO)1H NMR (500 MHz, DMSO-d 6) δ 8.11–8.04 (m, 2H), 8.04–7.97 (m, 2H), 7.94–7.85 (m, 4H), 7.74 (s, 2H), 7.55(d, J = 15.8 Hz, 2H), 7.32 (d, J = 2.0 Hz, 2H), 7.15 (dd, J = 8.3, 2.0 Hz, 2H), 6.83 (d, J = 8.2 Hz, 2H), 6.75 (d, J =15.8 Hz, 2H), 6.06 (s, 1H), 3.85 (s, 6H). (B) 13C NMR of CurNQ in d-DMSO δ 183.1 (C=O), 182.8 (C=O), 178.1(C=O), 149.4, 148.3, 141.0, 140.5, 139.6, 134.96, 134.7, 131.7, 131.0, 127.5, 126.7, 126.6, 123.4, 121.5, 116.0, 111.5, 101.3, 56.0 (OCH3). (C) HRMS-ESI spectrum of CurNQ.