The first transition-metal-free regioselective synthesis of 2,3-diarylindenones tandem annulation of 2-alkynylbenzaldehydes with phenols is described. Two different modes of reaction controlled by electronic effects and temperature furnished either "non-rearranged" or "rearranged" indenones in high selectivity.
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Transition-metal-free approaches to 2,3-diarylated indenones from 2-alkynylbenzaldehydes and phenols with tunable selectivity.
Chem Commun (Camb)
April 2022
Department of Chemistry, School of Pharmacy, Air Force Medical University, Xi'an, 710032, China.
The first transition-metal-free regioselective synthesis of 2,3-diarylindenones tandem annulation of 2-alkynylbenzaldehydes with phenols is described. Two different modes of reaction controlled by electronic effects and temperature furnished either "non-rearranged" or "rearranged" indenones in high selectivity.
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