Aromatic core-modified expanded porphyrinoids with meso-aryl substitutents
S. K. Pushpan* and T. K. Chandrashekar
Department of Chemistry,Indian Institute of Technology,
Kanpur-208016, India
Abstract: Porphyrins are the most widespread of all prosthetic
groups found in Nature. The ubiquity of their functions in Nature led
researchers around the globe to focus their attention on these highly
colored macrocycles. The interdisciplinary interest generated by porphyrins
resulted in the syntheses of modified porphyrins, which can be put to
a variety of uses in medicine and industry. A brief overview of the
synthetic methodologies resulting in the formation of aromatic meso-aryl-substituted
core-modified aromatic heterocyclic ring-inserted expanded porphyrinoids
like sapphyrins, smaragdyrins, rubyrins, hexaphyrins, heptaphyrins,
and octaphyrins reported to date are discussed in this article.
* Pure Appl. Chem.
74, 2021-2081 (2002). A collection of invited, peer-reviewed articles
by the winners of the 2002 IUPAC Prize for Young Chemists.
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