长沙资材科技有限公司

mp=173-175 ^oC; ¹H NMR (400 MHz, CDCl₃) δ 7.65 – 7.58 (m, 2H), 7.51 (d, J = 7.7 Hz, 2H), 7.44 (m, 2H), 7.13 (s, 1H), 6.95 (d, J = 8.2 Hz, 1H), 3.91 (d, J = 14.7 Hz, 1H), 3.73 (d, J = 14.7 Hz, 1H), 3.28 (s, 3H), 1.40 (s, 3H); ¹³C NMR (100 MHz, CDCl₃) δ: 25.0, 26.8, 45.2, 61.4, 105.6, 108.8, 118.7, 127.2, 127.4, 129.1, 130.4, 133.8, 138.9, 139.6, 147.2, 177.4; HRMS (EI) m/z calcd for C₁₈H₁₆N₂O₃S [M⁺]: 340.0882; found, 340.0881.