In a recent publication, (Power and coworkers, Journal of the American Chemistry Society, 2018) describes a C-H Activation by a low-valent tin. EPR measurements indicates the presence of a one-coordinate RE : radical as the intermediate. This shows the first example of a C-H bond metathesis carried out under mild condition by Tin. This new class of low-coordinate tin radical may facilitate further exploration into practical applications of C-H activation by earth-abundant-metal catalysts.
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More information at: https://pubs.acs.org/doi/10.1021/jacs.8b01878