Fig. 8.
Reaction of 2 with excess O2 in CH2Cl2 at 60 °C as monitored by LDI-MS. The peak at m/z 534.4 is assigned to [2 – Cl]+, and the peak at m/z 566.4 is assigned to doubly-oxygenated [Fe(LN3S(O2)Me)Cl]+. The small peak at m/z 550.4 is assigned to singly-oxygenated [Fe(LN3S(O)Me)Cl]+.