Scheme 3.

Plausible mechanism for product formation from 2+• . Framed structures represent the observed reaction products deriving from Cα‐Cβ (red) and Cα‐S bond cleavage (blue) or both (black).

Plausible mechanism for product formation from 2+• . Framed structures represent the observed reaction products deriving from Cα‐Cβ (red) and Cα‐S bond cleavage (blue) or both (black).