Organic Photoredox Catalytic Sulfonylation of Enaminones to Access 3-Sulfonyl Chromones

IF 4.4 2区 化学 Q2 CHEMISTRY, APPLIED Advanced Synthesis & Catalysis Pub Date : 2025-01-16 DOI:10.1002/adsc.202401396
Jun Sun, Yu Wei, Wenjian Wang, Wen Lin, Chaodong Wang, Jiadi Zhou, Guan Wang, Jianjun Li
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Abstract

Herein, we disclose a readily available phenothiazine derivative as an oxidizing organic photocatalyst, that serves to induce radical cascade sulfonylation/cyclization reaction of enaminones. A variety of 3-sulfonyl chromones have been obtained with moderate to excellent yields. This catalytic platform proceeds under metal-free conditions with a wide substrate scope and broad functional group compatibility, which unlocks the new reactivity of phenothiazine derivatives and adds significant synthetic values to <i>O</i>-heterocycles.
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有机光氧化还原催化磺化制备3-磺酰基铬
在此,我们公开了一种易于获得的吩噻嗪衍生物作为氧化性有机光催化剂,用于诱导胺酮的自由基级联磺化/环化反应。各种各样的3-磺酰基色酮都有中等到优异的产率。该催化平台在无金属条件下进行,具有广泛的底物范围和广泛的官能基团相容性,解锁了吩噻嗪衍生物的新反应活性,并为<;i>O</i>;-杂环增加了重要的合成价值。
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来源期刊
Advanced Synthesis & Catalysis
Advanced Synthesis & Catalysis 化学-应用化学
CiteScore
9.40
自引率
7.40%
发文量
447
审稿时长
1.8 months
期刊介绍: Advanced Synthesis & Catalysis (ASC) is the leading primary journal in organic, organometallic, and applied chemistry. The high impact of ASC can be attributed to the unique focus of the journal, which publishes exciting new results from academic and industrial labs on efficient, practical, and environmentally friendly organic synthesis. While homogeneous, heterogeneous, organic, and enzyme catalysis are key technologies to achieve green synthesis, significant contributions to the same goal by synthesis design, reaction techniques, flow chemistry, and continuous processing, multiphase catalysis, green solvents, catalyst immobilization, and recycling, separation science, and process development are also featured in ASC. The Aims and Scope can be found in the Notice to Authors or on the first page of the table of contents in every issue.
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