Scheme 20.
CH activation of toluene (R1/R2=H/H), m‐xylene (R1/R2=H/Me), and mesitylene (R1/R2=Me/Me) by compound 1 through radical intermediate Sn(Ar)⋅ (2); Ar=2,6‐R2‐C6H3; R=2,6‐iPr2‐C6H3; see Scheme 1.
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