M�bius aromaticity is one of the current topics in aromatic molecules, which predicts the aromaticity of [4np]annulenes when lying on a singly twisted strip-like p-conjugation. We have already demonstrated that meso-aryl-substituted expanded porphyrins are remarkably effective platform to realize stable M�bius aromatic systems. Furthermore, enantiomeric separations of M�bius twisted expanded porphyrins have been recently accomplished.However, peripheral modification of the M�bius twisted expanded porphyrins has been scarcely accomplished. Considering C1 symmetric structures of M�bius aromatic expanded porphyrins, rigorous peripheral regioselective reactions are desired for following applications. With these background, we report palladation reaction of a M�bius aromatic [28]hexaphyrin Pd complex as a highly regioselective peripheral modification.

Regioselective palladation of a Möbius aromatic [28]hexaphyrin Pd(II) complex

244th National Meeting (2012)

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