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Photocatalytic Germylation via Direct Hydrogen Atom Transfer
  • +7
  • Wenshan Wang,
  • Yan Liu,
  • Gonghong Qiu,
  • Igor B. Krylov,
  • Alexander O. Terent’ev,
  • Shuxia Cao,
  • Kai Sun,
  • Xiaolan Chen,
  • Lingbo Qu,
  • Bing Yu
Wenshan Wang
Zhengzhou University College of Chemistry
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Yan Liu
Zhengzhou University College of Chemistry
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Gonghong Qiu
Zhengzhou University College of Chemistry
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Igor B. Krylov
FGBUN Institut organiceskoj himii imeni N D Zelinskogo Rossijskoj akademii nauk
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Alexander O. Terent’ev
FGBUN Institut organiceskoj himii imeni N D Zelinskogo Rossijskoj akademii nauk
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Shuxia Cao
Zhengzhou University College of Chemistry
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Kai Sun
Zhengzhou University College of Chemistry
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Xiaolan Chen
Zhengzhou University College of Chemistry
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Lingbo Qu
Zhengzhou University College of Chemistry
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Bing Yu
Zhengzhou University College of Chemistry

Corresponding Author:bingyu@zzu.edu.cn

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Abstract

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 triphenylgermane. By employing hypervalent iodine reagents as SOMOphiles, this protocol facilitates streamlined germylation through a mechanism involving germyl radical addition followed by β-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 PC SET 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.
10 Feb 2025Submitted to Chinese Journal of Chemistry
12 Feb 2025Submission Checks Completed
12 Feb 2025Assigned to Editor
12 Feb 2025Review(s) Completed, Editorial Evaluation Pending
12 Feb 2025Reviewer(s) Assigned
20 Feb 2025Editorial Decision: Revise Minor