长沙资材科技有限公司

mp=128-130 ^oC; ¹H NMR (400 MHz, CDCl₃) δ 7.55 – 7.48 (m, 3H), 7.40-7.36 (m, 2H), 6.81-6.74 (m, 2H), 6.58 (s, 1H), 3.88 (d, J = 14.6 Hz, 1H), 3.67 – 3.64 (d, J = 11.5 Hz, 4H), 3.16 (s, 3H), 1.38 (s, 3H); ¹³C NMR (100 MHz, CDCl₃) δ: 25.3, 26.6, 46.0, 55.5, 61.8, 108.7, 111.1, 113.3, 127.8, 128.7, 130.6, 133.2, 136.7, 140.0, 155.8, 177.2; HRMS (EI) m/z calcd for C₁₈H₁₉NO₄S [M⁺]: 345.1035; found, 345.1030.