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Article Abstract
Chemoselective borylation of methane offers a promising route to organoboron synthesis. We report a porous zirconium UiO-MOF confined mononuclear iron(III) dihydride catalyst enabling efficient monoborylation of CH using HBpin at 185 °C to afford methyl boronic acid pinacol ester in 85% yield with a cumulative TON of up to 921.
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Selective borylation of methane by an iron(III) dihydride catalyst.
Chem Commun (Camb)
September 2025
Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India.
Chemoselective borylation of methane offers a promising route to organoboron synthesis. We report a porous zirconium UiO-MOF confined mononuclear iron(III) dihydride catalyst enabling efficient monoborylation of CH using HBpin at 185 °C to afford methyl boronic acid pinacol ester in 85% yield with a cumulative TON of up to 921.
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Department of Chemistry, University of Manchester, Manchester M13 9PL, U.K.
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Department of Chemistry, School of Natural Sciences, Joseph Banks Laboratories, University of Lincoln Green Lane, Lincoln, LN6 7DL, UK.
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Angew Chem Int Ed Engl
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Department of Chemistry, Indian Institute of Technology Delhi Hauz Khas, New Delhi, 110016, India.
We report the development of an earth-abundant metal catalyst for methane C-H borylation. The post-synthetic metalation of bipyridine-functionalized zirconium metal-organic framework (MOF) with NiBr, followed by treatment with NaEtBH affords MOF-supported monomeric bipyridyl-nickel(II) dihydride species via active site isolation. The heterogeneous and recyclable nickel catalyst selectively borylates methane at 200 °C using pinacolborane (HBpin) to afford CHBpin in 61 % yield with a turnover number (TON) up to 1388.
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