Scheme 4.

Proposed mechanism for the conversion of the phenyl sulfinyl radical to the sulfur‐containing products observed in the photooxidation of 2‐6 sensitized by 3‐CN‐NMQ+.

Proposed mechanism for the conversion of the phenyl sulfinyl radical to the sulfur‐containing products observed in the photooxidation of 2‐6 sensitized by 3‐CN‐NMQ+.