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Creators/Authors contains: "Lipshultz, Jeffrey M"

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  1. ; ; ; ; ; ; (, ACS Catalysis)
    Free, publicly-accessible full text available September 5, 2026
  2. ; ; ; ; ; ; ; ; ; (, Journal of the American Chemical Society)
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  3. ; ; (, Journal of the American Chemical Society)
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  4. ; ; ; (, Chemical Science)
    null (Ed.)
    A nontrigonal phosphorus triamide ( 1 , P{N[ o -NMe-C 6 H 4 ] 2 }) is shown to catalyze C–H borylation of electron-rich heteroarenes with pinacolborane (HBpin) in the presence of a mild chloroalkane reagent. C–H borylation proceeds for a range of electron-rich heterocycles including pyrroles, indoles, and thiophenes of varied substitution. Mechanistic studies implicate an initial P–N cooperative activation of HBpin by 1 to give P -hydrido diazaphospholene 2 , which is diverted by Atherton–Todd oxidation with chloroalkane to generate P -chloro diazaphospholene 3 . DFT calculations suggest subsequent oxidation of pinacolborane by 3 generates chloropinacolborane (ClBpin) as a transient electrophilic borylating species, consistent with observed substituent effects and regiochemical outcomes. These results illustrate the targeted diversion of established reaction pathways in organophosphorus catalysis to enable a new mode of main group-catalyzed C–H borylation. 
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