We herein describe a Rh(I)-catalyzed bisarylation reaction of monofluorodienes using arylboronic acids. Two aryl groups are installed in the trisubstituted (E)-alkene products in one step with excellent diastereoselectivities. An intriguing reaction sequence of Rh(I)-catalyzed 1,6-addition followed by defluorinative coupling is proposed for product formation.
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Li et al. (2024) studied this question.
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