Synthesis of Phenylenediamines via (4 + 1 + 1) Photocycloaddition of 1,3-Dienes and Isocyanides Enabled by a Gallium(I)/(III) Redox: The Key Role of a Phenalenyl-Based Ligand - Nijito Mukai; Takuya Kodama; Mamoru Tobisu (Journal of the American Chemical Society, 2025)