反应条件
1: 1.) K2CO3, dibenzo-18-crown-6, 2.) PhSH, AIBN / 1.) CH2Cl2, r.t., 16 h, 2.) benzene, reflux, 5 h
2: 85 percent / Fe, AcOH / ethanol / 2 h / Heating
3: 1.) Br2, 2.) Et3N / 1.) C6H6, 0 deg C, 1 h, 2.) C6H6, reflux, 5 h
4: toluene / 0 - 20 °C
5: toluene / 14 h / Heating
6: 85 percent / CuI, NaH / bis-(2-methoxy-ethyl) ether / 1.) r.t., 30 min, 2.) r.t., 30 h
7: 90 percent / TBAF / tetrahydrofuran / 6 h / Heating
8: 75 percent / dimethylformamide / 0.08 h / 140 °C / Irradiation
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