Fig. 6: Preparation of the NHSi-stabilized mixed-valent methylditin cation (4).

The reaction 2 with 1 equivalent of methyl triflate in the presence of Na[BArF4] in fluorobenzene affording the complex (4).
The reaction 2 with 1 equivalent of methyl triflate in the presence of Na[BArF4] in fluorobenzene affording the complex (4).