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Molecules 2016, 21(3), 320; doi:10.3390/molecules21030320

Porphyrin Macrocycle Modification: Pyrrole Ring-Contracted or -Expanded Porphyrinoids

Department of Chemistry and QOPNA, University of Aveiro, 3810-193 Aveiro, Portugal
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Author to whom correspondence should be addressed.
Academic Editors: M. Graça P. M. S. Neves and M. Amparo F. Faustino
Received: 1 February 2016 / Revised: 24 February 2016 / Accepted: 1 March 2016 / Published: 9 March 2016

Abstract

In recent years, several synthetic strategies aiming at the peripheral functionalization of porphyrins were developed. Particularly interesting are those involving the modification of β-pyrrolic positions leading to pyrrole-modified porphyrins containing four-, five-, six- or seven-membered heterocycles. Azeteoporphyrins, porpholactones and morpholinoporphyrins are representative examples of such porphyrinoids. These porphyrin derivatives have recently gained an increasing interest due to their potential application in PDT, as multimodal imaging contrast agents, NIR-absorbing dyes, optical sensors for oxygen, cyanide, hypochlorite and pH, and in catalysis. View Full-Text
Keywords: porphyrinoids; secochlorins; chlorophins; bacteriophins; azeteoporphyrins; porpholactones; pyriporphyrins; morpholinoporphyrins porphyrinoids; secochlorins; chlorophins; bacteriophins; azeteoporphyrins; porpholactones; pyriporphyrins; morpholinoporphyrins
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Costa, L.D.; Costa, J.I.; Tomé, A.C. Porphyrin Macrocycle Modification: Pyrrole Ring-Contracted or -Expanded Porphyrinoids. Molecules 2016, 21, 320.

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