Porphyrin complexes play keys role in many biological processes including light harvesting and electron transfer reactions.  Our goal is to synthesize bis-porphyrin imidazolium complexes and coordinate a metal to the imidazolium carbene.  Two complexes are being investigated for their metal binding properties, the first is based on a tetraphenylporphyrin, I, and the second uses a 3,5-dimethyl phenyl group to attach the imidazole ring to the porphyrin, II.  The imidazole rings are synthesized between the two porphyrin rings.  After the synthesis of the porphyrins complexes, the metallation of the imidazolium carbenes will be investigated and the complexes characterized.

Bis-porphyrin imidazolium complexes

244th National Meeting (2012)

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