Table 3. Desulfonylation Reveals the Methyl Group.
Reaction conditions: (A) Mg (40 equiv), MeOH, 50 °C, 2 h; (B) SmI2 (4 equiv), H2O (50 equiv), THF, rt, 30 min; (C) Raney-nickel, EtOH, reflux, 2 h.
The reaction was followed by bubbling with 1 atm O2 for 12 h.