PMC:7291971 / 68959-69985 JSONTXT

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Rf 0.52 (10:90 MeOH/DCM). 1H NMR (600 MHz, CDCl3) δ 8.29 (s, 1H), 8.28 (s, 1H), 8.116 (2s, 2H), 7.79 (s, 1H), 7.65 (dd, J = 8.4 Hz, J = 2.1 Hz, 1H), 7.39 (d, J = 8.4 Hz, 1H), 6.02–5.93 (m, 6H), 5.36 (dd, J = 6.4 Hz, J = 1.8 Hz, 1H), 5.05 (dd, J = 6.4 Hz, J = 3.8 Hz, 1H), 4.51 (dd, J = 6.1 Hz, J = 4.7 Hz, 1H), 4.44 (dt, J = 8.5 Hz, J = 4.3 Hz, 1H), 4.19 (dd, J = 4.7 Hz, J = 3.0 Hz, 1H), 4.05–3.97 (m, 2H), 3.82 (t, J = 5.5 Hz, 2H), 3.79–3.65 (m, 3H), 3.46 (q, J = 5.3 Hz, 2H), 1.56 (s, 3H), 1.35 (s, 3H), 0.92 (br. s, 9H), 0.90 (br. s, 9H), 0.12–0.05 (m, 12H). 13C NMR (150 MHz, CDCl3) δ 155.8, 155.6, 153.2, 153.1, 149.5, 149.0, 147.6, 140.3, 140.2, 139.4, 132.4, 131.3, 131.2, 124.6, 120.5, 120.2, 114.7, 90.7, 87.4, 85.0, 84.3 (2C), 82.9, 82.6, 69.7, 69.5, 61.4, 50.5, 47.7, 27.2, 26.2, 25.9, 25.4, 18.6, 18.2, −4.4, −4.7, −5.2. HRMS (ESI+): m/z calcd for C43H64N12O11SSi2Cl [M+H]+: 1047.3765, found: 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