Mechanistic insight into the high stereoselectivity of Co(Ⅲ)-catalyzed three-component C-H addition

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  A three-component C(sp2)-H bond addition across alkene and polari zed π-bonds wi th high stereoselectivity was repor ted for which Cp*CoⅢ catalysis was shown to be much more effect ive than Cp*RhⅢ.
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