ArticleChemistry (Weinheim an der Bergstrasse, Germany)2026
When Light Challenges Heat: Mechanistic Insights Into a Reaction Competing With Cadogan Cyclisation in Nitro-Perylenediimides.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Visible-light-driven transformations have emerged as powerful and sustainable tools in modern organic synthesis. However, the intrinsic photochemical reactivity of polycyclic aromatic hydrocarbons (PAHs) remains underexplored. Among π-conjugated chromophores, perylenediimides (PDIs) combine exceptional photostability, strong visible-light absorption, and rich redox properties, yet their light-induced chemical transformations are still poorly understood. Herein, we report an unprecedented divergence between thermal and photochemical reactivity in the reaction of bay-nitrated PDIs (PDI-NO
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