Scheme 7.

Proposed mechanism for product formation from 4+• . Framed structures represent the observed reaction products deriving from Cα‐Cβ (red) and Cα‐S bond cleavage (blue).

Proposed mechanism for product formation from 4+• . Framed structures represent the observed reaction products deriving from Cα‐Cβ (red) and Cα‐S bond cleavage (blue).