Visible-Light-Driven Silyl or Germyl Radical Generation via Si-C or Ge-C Bond Homolysis.
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DOI: 10.1021/acs.orglett.3c00503
Abstract: We report a simple, rapid, and selective protocol for visible-light-driven generation of silyl radicals through photoredox-induced Si-C bond homolysis. Irradiating 3-silyl-1,4-cyclohexadienes with blue light in the presence of a commercially available photocatalyst smoothly generated silyl… read more here.
Keywords: generation; bond homolysis; light driven; visible light ... See more keywords
Elucidating the Mechanism of Excited-State Bond Homolysis in Nickel-Bipyridine Photoredox Catalysts.
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DOI: 10.1021/jacs.2c01356
Abstract: Ni 2,2'-bipyridine (bpy) complexes are commonly employed photoredox catalysts of bond-forming reactions in organic chemistry. However, the mechanisms by which they operate are still under investigation. One potential mode of catalysis is via entry into… read more here.
Keywords: excited state; bond homolysis; state; state bond ... See more keywords
EnT-Mediated N-S Bond Homolysis of a Bifunctional Reagent Leading to Aliphatic Sulfonyl Fluorides.
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DOI: 10.1021/jacs.2c11295
Abstract: Sulfur(VI) fluoride exchange (SuFEx) gives rise to a plethora of high-valent sulfur linkages; however, the availability of (aliphatic) sulfonyl fluoride manifolds lag behind, owing to the limited sources of introducing the SO2F moiety via a… read more here.
Keywords: reagent; bond homolysis; aliphatic sulfonyl; sulfonyl fluorides ... See more keywords
Direct observation of reversible bond homolysis by 2D EXSY NMR
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DOI: 10.1039/d2sc03028d
Abstract: Bond homolysis is one of the most fundamental bond cleavage mechanisms. Thus, understanding of bond homolysis influences the development of a wide range of chemistry. Photolytic bond homolysis and its reverse process have been observed… read more here.
Keywords: observation reversible; spectroscopy; direct observation; bond homolysis ... See more keywords