Photocatalytic Germylation via Direct Hydrogen Atom Transfer

文献类型： 外文期刊

第一作者： Wang, Wenshan

作者： Wang, Wenshan;Liu, Yan;Qiu, Gonghong;Cao, Shuxia;Sun, Kai;Chen, Xiaolan;Qu, Lingbo;Yu, Bing;Wang, Wenshan;Liu, Yan;Qiu, Gonghong;Liu, Yan;Krylov, Igor B.;Terent'ev, Alexander O.;Qu, Lingbo

作者机构：

关键词： Synthesis methods; Radical reactions; Germylation; Direct hydrogen atom transfer; Germyl radical; Photocatalysis

期刊名称：CHINESE JOURNAL OF CHEMISTRY （ 影响因子：5.5； 五年影响因子：4.8 ）

ISSN： 1001-604X

年卷期： 2025 年 43 卷 14 期

页码：

收录情况： SCI

摘要： An innovative visible-light-driven direct hydrogen atom transfer (d-HAT) of Ge-H bond has been developed, wherein the photoexcited 9,10-phenanthraquinone (PCHAT9) serves as an efficient photocatalyst for the generation of germanium-centered radicals from germanium hydrides including Ph3GeH, nBu3GeH, and Ph2GeH2. By employing hypervalent iodine reagents as SOMOphiles, this protocol facilitates streamlined germylation through a mechanism involving germyl radical addition followed by beta-cleavage of a carboxyl radical to yield a diverse array of ethynyl-, vinyl-, nitrile-, and phenyl-functionalized germanes. The methodological leap signifies a noteworthy departure from the previous photocatalytic indirect hydrogen atom transfer (i-HAT) relying on combined usage of PCSET with abstractors, which not only advances the methodology for creating germanium radicals in a photocatalytic fashion but also provides access to structurally novel and pharmaceutically promising organogermanium compounds that are difficult to synthesize by routine methods.

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