通过插入二氧化硫†，光氧化还原催化烯烃羰基合成磺化二氢呋喃

IF 2.7 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

New Journal of Chemistry Pub Date : 2025-04-01 DOI:10.1039/D5NJ00238A

Lidan Sun, Mengze Xu, Yurou Feng, Quanjie Lin, Xiaolan Xie, Jinhai Shen and Zhichao Chen

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引用次数: 0

摘要

研究了以烯烃羰基、DABCO·（SO2）2和芳基重氮盐为原料，光氧化还原合成磺化二氢呋喃的方法。该工艺可使各种磺化二氢呋喃以中等至较高的收率有效地获得。这种转化包括二氧化硫的顺序插入，烯烃的分子间磺化和分子内环化通过自由基过程。

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Photoredox-catalyzed synthesis of sulfonated dihydrofurans from olefinic carbonyls through the insertion of sulfur dioxide†

Photoredox-catalyzed generation of sulfonated dihydrofurans starting from olefinic carbonyls, DABCO·(SO₂)₂, and aryldiazonium salts has been developed. This protocol enables efficient access to various sulfonated dihydrofurans with moderate to good yields. This transformation involves the sequential insertion of sulfur dioxide, intermolecular sulfonylation of alkenes and intramolecular cyclization via a radical process.

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