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Issue 14, 2019
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Telluraporphyrinoids: an interesting class of core-modified porphyrinoids

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Core-modified porphyrinoids or heteroporphyrinoids are a class of porphyrinoids in which one or more core pyrrole nitrogen atom(s) of the macrocycles are replaced predominantly by group-16 atoms such as O, S, Se, and Te. Telluraporphyrinoids are distinct and interesting from the rest of the chalcogenide atom(s) containing porphyrinoids owing to the larger size of Te and the consequent properties arising from it. The telluraporphyrinoid chemistry is only sporadically investigated and the developments are rather slow compared to the other lighter group-16 atom containing porphyrinoids. This perspective presents a concise overview of the developments that have taken place in the field of telluraporphyrinoid chemistry since its inception and includes various aspects such as the synthesis, structure, reactivity, and properties of tellurium-containing porphyrins and other related porphyrinoids such as vacataporphyrins, carbaporphyrins, calixphyrins, and expanded porphyrins.

Graphical abstract: Telluraporphyrinoids: an interesting class of core-modified porphyrinoids

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Article information

07 Jan 2019
06 Feb 2019
First published
06 Feb 2019

Dalton Trans., 2019,48, 4444-4459
Article type

Telluraporphyrinoids: an interesting class of core-modified porphyrinoids

A. Alka, V. S. Shetti and M. Ravikanth, Dalton Trans., 2019, 48, 4444
DOI: 10.1039/C9DT00079H

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