Transition-metal-free oxidative cyclization reaction of enynals to access pyrane-2-one derivatives

Ansari, Fahimeh; Khosravi, Hormoz; Kejani, Alireza Abbasi; Armaghan, Mahsa; Frank, Walter; Balalaie, Saeed; Jafarpour, Farnaz

doi:10.1039/d1ob00726b

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Cited by 3 publications

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Metal‐Free Oxidative CH Bond Functionalization

Dahatonde¹,

Bisht²,

Batra³

2022

Handbook of CH-Functionalization

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Direct replacement of an inert CH bond with a functional group is traditionally termed CH bond functionalization. Remarkable progress in the strategies for CH functionalization has enabled organic chemists to take advantage of the ubiquity of the CH bond in the chemical feedstock to construct complex molecules. The CH bond functionalizations, resulting in a CC or C–hetero bond that is conventionally achieved via metal‐mediated activation of inert CH bond, are now of paramount importance in modern synthetic chemistry. However, growing environmental concerns and issues about sustainability have inspired the development of metal‐free approaches to such useful CH functionalization reactions under oxidative conditions. During the last decade, there has been profound progress in the development of a variety of innovative metal‐free oxidative CH functionalization reactions and this article presents the assimilation of the literature since 2015, concerning the construction of CC and C–hetero (N, O, S, Se, Te, P, B) bonds using the strategy.

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