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(a) Homogeneous catalysts studied that are based on the [Pn7] framework. (b) Catalyst screening and control reactions. Full data tables are provided in the Supporting Information 2.5 and 2.6. NMR conv. was determined by 1H NMR spectroscopy using C6H6 as an internal standard. For [Na(18c6)]2[1], [Na(18c6)]2[2], and KPPh2 + 18c6, background DMF hydroboration was observed, and conversions were corrected to exclude this side reaction.
