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Abstract
The dearomative borylation of indoles is challenging and typically requires transition metal catalysts, strong bases, or harsh conditions. We report the metal- and base-free C2-borylation of indoles using bis(1-methyl-ortho-carboranyl)borane as an electrophilic borylating reagent to generate borylated indolines under mild conditions.
Supplementary materials
Title
Supporting Information
Description
Experimental procedures, multinuclear NMR spectra, and X-ray crystallographic data
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