Bis‐Anthracene Fused Porphyrin as an Efficient Photocatalyst: Facile Synthesis and Visible‐Light‐Driven Oxidative Coupling of Amines

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Abstract
Development of high‐performance photocatalysts for the conversion of amines is of great importance, but has remained a challenging task. Here, a bis‐anthracene fused porphyrin (AFP) was synthesized in a high yield by a facile synthetic protocol, which involves a Suzuki coupling for the conjugation of two anthracene groups with a porphyrin ring, followed by oxidative cyclodehydrogenation. When serving as a photocatalyst, AFP exhibits an outstanding photocatalytic performance for the visible‐light‐induced aerobic oxidation of amines to imines at ambient conditions. Density functional theory calculations revealed that the low energy band gap, caused by the large planar and π‐extended porphyrin structure of AFP, contributed to its high photocatalytic performance.
Funding Information
  • National Natural Science Foundation of China (21774076 and 52073173)
  • Program of Shanghai Academic Research Leader (19XD1421700)

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