反应详情

The general procedure in example 39 was followed. 5-Iodo-m-xylene (144 μL, 1.0 mmol), 6-mercaptohexanol (137 μL, 1.0 mmol), CuI (10 mg, 0.05 mmol), K2CO3 (276 mg, 2.0 mmol), ethylene glycol (111 μL, 2.0 mmol) and 2-Propanol (1.0 mL) were used to obtain the 6-(3,5-dimethylphenyl)mercaptohexanol (212 mg, 92% yield) as colorless oil. Column chromatographic solvent (hexane/ethyl acetate=3/1). Rf=0.4 (hexane/ethyl acetate=2/1). 1H NMR (CDCl3, 300 MHz) δ 6.92 (s, 2 H), 6.78 (s, 1 H), 3.62 (q, 2 H, J=4.8 Hz), 2.90 (t, 2 H, J=7.2 Hz), 2.27 (s, 6 H), 1.30-1.68 (m, 9 H). 13C NMR (CDCl3, 75 MHz)δ 138.6, 136.5, 127.8, 126.7, 63.2, 33.8, 33.0, 29.5, 28.9, 25.7, 21.7. IR (neat, cm−1) 3320 (broad), 3060, 3022, 2972, 2847. MS (EI) m/z (relative intensity) 238 (40), 138 (100). Anal Cald for C14H22OS, Cald. C: 70.54, H: 9.30; Found C: 70.29, H: 9.33.