Completely Fused Diporphyrins and Triporphyrin

Extremely delocalized π-electronic systems are found in triply linked, fused porphyrins, which are formed by the oxidation of diporphyrins Eq. (1). Stronger electronic interaction is observed in the triply linked diporphyrins, as evidenced by intensified and red-shifted Q bands and by lower one-electron oxidation potentials, as a consequence of their greater planarity. Hence they should have applications as electronic wires. Supporting information for this article is available on the WWW under http: //www. wiley-vch. de/contents/jc₂002/2000/z14751ₛ. pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.