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Examine the electronic structure, aromaticity, and chemical behavior of porphyrins through the conceptual framework of annulene chemistry.

The porphyrins from the 'annulene chemist's' perspective

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Theoretical review examines porphyrin electronic structures using annulene models, highlighting aromatic conjugation pathways.

Examine the electronic structure, aromaticity, and chemical behavior of porphyrins through the conceptual framework of annulene chemistry.
Theoretical and structural evaluation of porphyrinoid macrocycles using annulene aromaticity and conjugation pathway models.
Porphyrins are effectively modeled as bridged [18]annulene systems governed by Huckel aromaticity rules.
The annulene perspective explains the distinct diatropic ring currents, absorption spectra, and chemical reactivity of porphyrin systems.

E. VOGEL (1993) studied this question.

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