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Direct Two Carbon Ring Expansion of 1‑Indanones with Ynones: An Eco-Friendly, One-Flask Approach to Functionally Enriched 5H-Benzo[7]annulenes

Balasubramani, Alagesan ; Ganaie, Bilal Ahmad ; Mehta, Goverdhan

Journal of organic chemistry, 2023-11, Vol.88 (21), p.15452-15460 [Periódico revisado por pares]

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Título:
Direct Two Carbon Ring Expansion of 1‑Indanones with Ynones: An Eco-Friendly, One-Flask Approach to Functionally Enriched 5H-Benzo[7]annulenes
Autor: Balasubramani, Alagesan ; Ganaie, Bilal Ahmad ; Mehta, Goverdhan
É parte de: Journal of organic chemistry, 2023-11, Vol.88 (21), p.15452-15460
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Direct 2C-ring expansion of 1-indanones with ynones to 5H-benzo[7]annulenes has been observed, and its generality has been gauged (19 examples). Overall, this simple and convenient cascade process to 5H-benzo[7]annulenes involves engagement of 1-indanone with two ynone moieties with formation of three new C–C σ-bonds, cleavage of C–C σ-bond, and concurrent functionality amplification. The resulting seven-membered ring, laced with an opportunistic disposition of four proximal functional groups, offers avenues for their further productive interplay. Our new approach embraces many green and eco-friendly features.
Editor: American Chemical Society
Idioma: Inglês

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