“…1 H NMR (300 MHz, Chloroform-d) δ 6.15 (s, 6H), 5.54 (s, 1H), 4.80 (d, J = 2.5 Hz, 2H), 3.75 (s, 2H), 3.67 (t, J = 3.9 Hz, 2H), 3.54 (s, 2H), 3.49 (s, 2H), 3.04 (s, 2H), 2.68 (s, 2H), 2.60 (t, J = 2.3 Hz, 2H), 2.17 (s, 1H), 1.50−1.35 (m, 2H), 1.30−1.21 (m, 30H), and 0.86 (t, J = 6.4 Hz, 3H). 13 Synthesis of (11). Compound 8 (100 mg, 0.262 mmol) was placed into a 10 mL glass vial and dissolved with anhydrous DMSO solution (3 mL).…”