Transition-metal-free approaches to 2,3-diarylated indenones from 2-alkynylbenzaldehydes and phenols with tunable selectivity

The first transition-metal-free regioselective synthesis of 2,3-diarylindenones via 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&...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2022-04, Vol.58 (29), p.4592-4595
Hauptverfasser: Yao, Tuanli, Zhao, Shuaijing, Liu, Tao, Wu, Yuting, Ma, Yanhui, Li, Tao, Qin, Xiangyang
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Sprache:eng
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Zusammenfassung:The first transition-metal-free regioselective synthesis of 2,3-diarylindenones via 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. The first transition-metal-free synthesis of 2,3-diarylindenones with tunable selectivity via tandem annulation of 2-alkynylbenzaldehydes with phenols has been developed.
ISSN:1359-7345
1364-548X
DOI:10.1039/d2cc01324j