Photosensitizers Enable the Formation of Biphenyls with UV‐LEDs and Sunlight
Veit G. Haensch,
Christian Hertweck
Abstract:The regioselective synthesis of biphenyls, which are economically important pharmaceuticals, agrochemicals, and liquid crystals, is a challenging task. Current methods rely on metal‐dependent cross‐coupling reactions, which unfortunately require the use of harmful halogenated aryls and heavy metal catalysts that are toxic and difficult to remove from the final products. Recently, we have circumvented these problems by developing a metal‐free and broadly applicable photochemical method for biphenyl synthesis us… Show more
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