Concepedia

Construction of sulfonated spiro[5,5]trienones from sulfur dioxide <i>via</i> iron-catalyzed dearomative spirocyclization of biaryls

Fu‐Sheng He, Lingjing Su, Feiyan Yu, Zhimei Tang, Jie Wu

Organic Chemistry Frontiers · 2022 · 37 citations · 65 references

DOI

Concepts

Abstract

An iron-catalyzed dearomative spirocyclization of biaryl ynones with sodium metabisulfite and cycloketone oxime esters is developed for the construction of sulfonated spiro[5,5]trienones.

References

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Recent Advances in Pyridinium Salts as Radical Reservoirs in Organic Synthesis

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Insertion of sulfur dioxide <i>via</i> a radical process: an efficient route to sulfonyl compounds

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Generation of Sulfonyl Radicals from Aryldiazonium Tetrafluoroborates and Sulfur Dioxide: The Synthesis of 3‐Sulfonated Coumarins

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S. Ye, Guanyinsheng Qiu, Jie Wu · Chemical Communications · 2018 · 234 citations