sulfuryl dichloride in chloroform

1: NaH, EtSH / dimethylformamide 2: SO2Cl2 View Scheme

sulfuryl dichloride; chloroform

1: 93 percent / pyridine 2: 94 percent / AlCl3 / chlorobenzene / 0.5 h / Heating 3: 73 percent / diisopropylazodicarboxylate, tributylphosphine 4: 78 percent / LHMDS / tetrahydrofuran / -78 °C 5: 95 percent / MsN3, Et3N 6: 62 percent / 5 mol percent of rhodium pivalate <Rh2(piv)4> / benzene / 1 h / Heating 7: 1.) O3, 2.) DMS / 1.) CH2Cl2, MeOH 8: tetrahydrofuran / Ambient temperature 9: 100 percent / TFA 10: 1.) diphenyl phosphorazidate, Et3N, 2.) aq. HCl / 1.) toluene, reflux, 2.) reflux, 2 h 11: 49 percent / NaOMe / methanol / Ambient temperature 12: 95 percent / tetrahydrofuran / Ambient temperature View Scheme

aluminium trichloride; nitrobenzene

1: 93 percent / pyridine 2: 94 percent / AlCl3 / chlorobenzene / 0.5 h / Heating View Scheme

aluminium trichloride; nitrobenzene