Synthesis of Benzofuran Derivates via a Gold-Catalyzed Claisen Rearrangement Cascade,Organic Letters

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Synthesis of Benzofuran Derivates via a Gold-Catalyzed Claisen Rearrangement Cascade
Organic Letters ( IF 4.9 ) Pub Date : 2022-07-30 , DOI: 10.1021/acs.orglett.2c02388
Yankun Li ₁ , Chen-Ho Tung ₁ , Zhenghu Xu _{1,

2}

Affiliation

A novel method toward a facile synthesis of diverse benzofuran derivates from easily obtained quinols and alkynyl esters has been reported. A gold-catalyzed intermolecular alkoxylation/Claisen rearrangement/condensation cascade was involved. The introduction of difluorodiphenylsilane as a water-trapping reagent in the reaction leads to a higher yield.

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