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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Nat Catal. 2019 Dec 2;3(1):23–29. doi: 10.1038/s41929-019-0384-6

Fig. 4.

Fig. 4.

Mechanistic Overview. A, Experiments to establish the competency of plausible intermediates. B, Initial rate measures revealing that the hydroamination cycle is turnover-limiting. C, Experiment to gain insight into the nature of the hydroboration-only cycle. D, Proposed catalytic cycle. E, Computational studies.

a Yield determined by 1H NMR. b The bracketed values correspond to an experiment with added HBdan (1.2 equiv).