Photoredox-catalyzed reaction of thianthrenium salts, sulfur dioxide and hydrazines,Organic Chemistry Frontiers

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Photoredox-catalyzed reaction of thianthrenium salts, sulfur dioxide and hydrazines
Organic Chemistry Frontiers ( IF 4.6 ) Pub Date : 2022-06-06 , DOI: 10.1039/d2qo00768a
Qiangwei Li ₁ , Jiapian Huang ₂ , Zenghui Cao ₂ , Jun Zhang ₂ , Jie Wu _{2,

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Affiliation

A photoredox-catalyzed three-component reaction of thianthrenium salts, hydrazines and DABCO·(SO₂)₂ is accomplished, providing facile access to diverse arenesulfonohydrazides in moderate to good yields. Broad substrate scope generality is demonstrated, and excellent functional group compatibility is observed under mild reaction conditions. A radical pathway is proposed that is initiated from thianthrenium salts irradiated with visible light.

中文翻译：

硫蒽盐、二氧化硫和肼的光氧化还原催化反应

完成了硫鎓盐、肼和 DABCO·(SO ₂ ) ₂的光氧化还原催化的三组分反应，以中等至高产率轻松获得各种芳基磺酰肼。证明了广泛的底物范围通用性，并且在温和的反应条件下观察到了优异的官能团相容性。提出了一种自由基途径，该途径由用可见光照射的硫蒽盐引发。

更新日期：2022-06-06

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