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Base-Promoted Carbon−Hydrogen Bond Activation of Alkanes with Rhodium(III) Porphyrin Complexes

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journal contribution
posted on 22.09.2008, 00:00 by Yun Wai Chan, Kin Shing Chan
Base-promoted carbon−hydrogen bond activation of alkanes was achieved in the reactions of alkanes with rhodium(III) porphyrin chlorides (Rh(por)Cl) at 120 °C to give rhodium porphyrin alkyls in moderate yields. This carbon−hydrogen activation (CHA) of alkane provided a facile synthesis of Rh(por)R. Mechanistic investigation of CHA suggested that Rh(por)H and [Rh(por)]2 were key intermediates for the CHA step.