1: I2; NaHCO3 / ethanol 2: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 3: H2S / ethanol / pH 7.4 4: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 5: ethanol / Heating 6: I2; NaHCO3 / ethanol 7: Lawesson's reagent / toluene / 0.5 h / Heating 8: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 9: H2S / ethanol / pH 7.4 10: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 11: ethanol / Heating 12: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 13: ethanol / Heating 14: I2; NaHCO3 / ethanol 15: Lawesson's reagent / toluene / 0.5 h / Heating 16: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 17: H2S / ethanol / pH 7.4 18: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 19: ethanol / Heating 20: I2; NaHCO3 / ethanol 21: Lawesson's reagent / toluene / 0.5 h / Heating 22: H2S / ethanol / pH 7.4 23: I2; NaHCO3 / ethanol 24: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 25: H2S / ethanol / pH 7.4 26: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 27: ethanol / Heating 28: I2; NaHCO3 / ethanol 29: Lawesson's reagent / toluene / 0.5 h / Heating 30: H2S / ethanol / pH 7.4 31: I2; NaHCO3 / ethanol 32: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 33: H2S / ethanol / pH 7.4 34: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme

1: Lawesson's reagent / toluene / 0.5 h / Heating 2: H2S / ethanol / pH 7.4 3: I2; NaHCO3 / ethanol 4: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 5: H2S / ethanol / pH 7.4 6: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 7: ethanol / Heating 8: I2; NaHCO3 / ethanol 9: Lawesson's reagent / toluene / 0.5 h / Heating 10: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 11: H2S / ethanol / pH 7.4 12: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 13: ethanol / Heating 14: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 15: ethanol / Heating 16: I2; NaHCO3 / ethanol 17: Lawesson's reagent / toluene / 0.5 h / Heating 18: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 19: H2S / ethanol / pH 7.4 20: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 21: ethanol / Heating 22: I2; NaHCO3 / ethanol 23: Lawesson's reagent / toluene / 0.5 h / Heating 24: H2S / ethanol / pH 7.4 25: I2; NaHCO3 / ethanol 26: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 27: H2S / ethanol / pH 7.4 28: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 29: ethanol / Heating 30: I2; NaHCO3 / ethanol 31: Lawesson's reagent / toluene / 0.5 h / Heating 32: H2S / ethanol / pH 7.4 33: I2; NaHCO3 / ethanol 34: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 35: H2S / ethanol / pH 7.4 36: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme

1: H2S / ethanol / pH 7.4 2: I2; NaHCO3 / ethanol 3: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 4: H2S / ethanol / pH 7.4 5: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 6: ethanol / Heating 7: I2; NaHCO3 / ethanol 8: Lawesson's reagent / toluene / 0.5 h / Heating 9: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 10: H2S / ethanol / pH 7.4 11: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 12: ethanol / Heating 13: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 14: ethanol / Heating 15: I2; NaHCO3 / ethanol 16: Lawesson's reagent / toluene / 0.5 h / Heating 17: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 18: H2S / ethanol / pH 7.4 19: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 20: ethanol / Heating 21: I2; NaHCO3 / ethanol 22: Lawesson's reagent / toluene / 0.5 h / Heating 23: H2S / ethanol / pH 7.4 24: I2; NaHCO3 / ethanol 25: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 26: H2S / ethanol / pH 7.4 27: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 28: ethanol / Heating 29: I2; NaHCO3 / ethanol 30: Lawesson's reagent / toluene / 0.5 h / Heating 31: H2S / ethanol / pH 7.4 32: I2; NaHCO3 / ethanol 33: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 34: H2S / ethanol / pH 7.4 35: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme

1: Lawesson's reagent / toluene / 0.5 h / Heating 2: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 3: H2S / ethanol / pH 7.4 4: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 5: ethanol / Heating 6: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 7: ethanol / Heating 8: I2; NaHCO3 / ethanol 9: Lawesson's reagent / toluene / 0.5 h / Heating 10: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 11: H2S / ethanol / pH 7.4 12: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 13: ethanol / Heating 14: I2; NaHCO3 / ethanol 15: Lawesson's reagent / toluene / 0.5 h / Heating 16: H2S / ethanol / pH 7.4 17: I2; NaHCO3 / ethanol 18: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 19: H2S / ethanol / pH 7.4 20: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 21: ethanol / Heating 22: I2; NaHCO3 / ethanol 23: Lawesson's reagent / toluene / 0.5 h / Heating 24: H2S / ethanol / pH 7.4 25: I2; NaHCO3 / ethanol 26: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 27: H2S / ethanol / pH 7.4 28: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme

1: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 2: H2S / ethanol / pH 7.4 3: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 4: ethanol / Heating 5: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 6: ethanol / Heating 7: I2; NaHCO3 / ethanol 8: Lawesson's reagent / toluene / 0.5 h / Heating 9: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 10: H2S / ethanol / pH 7.4 11: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 12: ethanol / Heating 13: I2; NaHCO3 / ethanol 14: Lawesson's reagent / toluene / 0.5 h / Heating 15: H2S / ethanol / pH 7.4 16: I2; NaHCO3 / ethanol 17: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 18: H2S / ethanol / pH 7.4 19: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 20: ethanol / Heating 21: I2; NaHCO3 / ethanol 22: Lawesson's reagent / toluene / 0.5 h / Heating 23: H2S / ethanol / pH 7.4 24: I2; NaHCO3 / ethanol 25: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 26: H2S / ethanol / pH 7.4 27: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme

1: 75 percent / sulfur; Lawesson's reagent / toluene / 5 h / Heating 2: 59 percent / Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C View Scheme

1: Lawesson's reagent / toluene / 0.5 h / Heating 2: H2S / ethanol / pH 7.4 3: I2; NaHCO3 / ethanol 4: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 5: H2S / ethanol / pH 7.4 6: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 7: ethanol / Heating 8: I2; NaHCO3 / ethanol 9: Lawesson's reagent / toluene / 0.5 h / Heating 10: H2S / ethanol / pH 7.4 11: I2; NaHCO3 / ethanol 12: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 13: H2S / ethanol / pH 7.4 14: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme

1: H2S / ethanol / pH 7.4 2: I2; NaHCO3 / ethanol 3: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 4: H2S / ethanol / pH 7.4 5: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 6: ethanol / Heating 7: I2; NaHCO3 / ethanol 8: Lawesson's reagent / toluene / 0.5 h / Heating 9: H2S / ethanol / pH 7.4 10: I2; NaHCO3 / ethanol 11: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 12: H2S / ethanol / pH 7.4 13: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme

1: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 2: H2S / ethanol / pH 7.4 3: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 4: ethanol / Heating 5: I2; NaHCO3 / ethanol 6: Lawesson's reagent / toluene / 0.5 h / Heating 7: H2S / ethanol / pH 7.4 8: I2; NaHCO3 / ethanol 9: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 10: H2S / ethanol / pH 7.4 11: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 12: ethanol / Heating 13: I2; NaHCO3 / ethanol 14: Lawesson's reagent / toluene / 0.5 h / Heating 15: H2S / ethanol / pH 7.4 16: I2; NaHCO3 / ethanol 17: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 18: H2S / ethanol / pH 7.4 19: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme

1: I2; NaHCO3 / ethanol 2: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 3: H2S / ethanol / pH 7.4 4: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating 5: ethanol / Heating 6: I2; NaHCO3 / ethanol 7: Lawesson's reagent / toluene / 0.5 h / Heating 8: H2S / ethanol / pH 7.4 9: I2; NaHCO3 / ethanol 10: Hg(OAc)2; AcOH / CHCl3 / 0.5 h / 20 °C 11: H2S / ethanol / pH 7.4 12: 90 percent / Lawesson's reagent / toluene / 0.5 h / Heating View Scheme