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Photochemie In der Zuschrift auf S. 14684 ff. beschreiben C. Hertweck et al. eine metallfreie Kreuzkupplung, bei der zwei Phenylgruppen über einen temporären, spurlosen Sulfonamid‐Linker verknüpft werden.
Many pharmaceuticals feature biaryl motifs that are crucial for their binding to the target. Yet, benchmark methods for selective cross‐couplings rely on highly toxic heavy metal catalysts, which are unfavorable in the synthesis of pharmaceuticals. Metal‐free coupling reactions, on the other hand, may require harsh conditions and lack selectivity. We report a novel, metal‐free cross‐coupling reaction...
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