1: 2.) NaHCO3 / 1.) TFA, room temp., 1.5 hrs; 2.) water, dichloromethane, room temp, 0.5 hr 2: DCC / HOBt / dimethylformamide / 0 °C 3: 2.) NaHCO3 / 1.) TFA, room temp., 1.5 hrs; 2.) water, dichloromethane, room temp, 0.5 hr 4: DCC / HOBt / dimethylformamide / 0 °C 5: 2.) NaHCO3 / 1.) TFA, room temp., 1.5 hrs; 2.) water, dichloromethane, room temp, 0.5 hr 6: DCC / HOBt / dimethylformamide / 0 °C 7: 59 percent / anisole, ethyl methyl sulfide, thioanisole / trifluoroacetic acid / 1 h View Scheme