亚砜、磺、硒和吡啶类化合物作为新型HAT有机催化剂的光诱导自由基CH烷基化反应

IF 1.5 4区化学 Q3 CHEMISTRY, ORGANIC

Tetrahedron Letters Pub Date : 2025-05-06 DOI:10.1016/j.tetlet.2025.155590

Shuwen Chen , Hui Qiu , JingWen Jia , Akira Matsumoto , Terumasa Kato , Zhe Wang , Yan Liu , Keiji Maruoka

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引用次数: 0

摘要

研究了以亚砜鎓和磺酰化物为氢原子转移（HAT）催化剂的光诱导自由基烷基化反应。四氢呋喃衍生物或醛类与苯基乙烯砜在光氧化还原催化剂和带碱的HAT催化剂的存在下，在蓝光照射下反应，可得到中高收率的CC偶联产物。该方法成功地应用了类似的硒和吡啶类化合物作为HAT催化剂。

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Photoinduced radical CH alkylation by sulfoxonium, sulfonium, selenium and pyridinium ylides as new HAT organocatalysts

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Photoinduced radical CH alkylation by sulfoxonium, sulfonium, selenium and pyridinium ylides as new HAT organocatalysts

A photoinduced radical CH alkylation reaction using sulfoxonium and sulfonium ylides as hydrogen atom transfer (HAT) catalysts has been developed. The reaction of tetrahydrofuran derivatives or aldehydes with phenyl vinyl sulfone in the presence of photoredox catalyst and HAT catalysts with base under blue light irradiation afforded CC coupling products in moderate-to-good yields. This approach was successfully applied using similar selenium and pyridinium ylides as HAT catalysts.

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来源期刊

Tetrahedron Letters 化学-有机化学

CiteScore

3.50

自引率

5.60%

发文量

521

审稿时长

28 days

期刊介绍： Tetrahedron Letters provides maximum dissemination of outstanding developments in organic chemistry. The journal is published weekly and covers developments in techniques, structures, methods and conclusions in experimental and theoretical organic chemistry. Rapid publication of timely and significant research results enables researchers from all over the world to transmit quickly their new contributions to large, international audiences.