Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and Applications

This review covers the synthesis of coumarin–porphyrin, coumarin–phthalocyanine and coumarin–corrole conjugates and their potential applications. While coumarin–phthalocyanine conjugates were obtained almost exclusively by tetramerization of coumarin-functionalized phthalonitriles, coumarin–porphyri...

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Main Authors: Ana F. R. Cerqueira, Vítor A. S. Almodôvar, Maria G. P. M. S. Neves, Augusto C. Tomé
Format: Article
Language:English
Published: MDPI AG 2017-06-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/22/6/994
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author Ana F. R. Cerqueira
Vítor A. S. Almodôvar
Maria G. P. M. S. Neves
Augusto C. Tomé
author_facet Ana F. R. Cerqueira
Vítor A. S. Almodôvar
Maria G. P. M. S. Neves
Augusto C. Tomé
author_sort Ana F. R. Cerqueira
collection DOAJ
description This review covers the synthesis of coumarin–porphyrin, coumarin–phthalocyanine and coumarin–corrole conjugates and their potential applications. While coumarin–phthalocyanine conjugates were obtained almost exclusively by tetramerization of coumarin-functionalized phthalonitriles, coumarin–porphyrin and coumarin–corrole conjugates were prepared by complementary approaches: (a) direct synthesis of the tetrapyrrolic macrocycle using formylcoumarins and pyrrole or (b) by functionalization of the tetrapyrrolic macrocycle. In the last approach a range of reaction types were used, namely 1,3-dipolar cycloadditions, hetero-Diels–Alder, Sonogashira, alkylation or acylation reactions. This is clearly a more versatile approach, leading to a larger diversity of conjugates and allowing the access to conjugates bearing one to up to 16 coumarin units.
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spelling doaj.art-cb7cc93d56a74df58813f3239c7c47b02022-12-22T02:31:40ZengMDPI AGMolecules1420-30492017-06-0122699410.3390/molecules22060994molecules22060994Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and ApplicationsAna F. R. Cerqueira0Vítor A. S. Almodôvar1Maria G. P. M. S. Neves2Augusto C. Tomé3Department of Chemistry and QOPNA, University of Aveiro, 3810-193 Aveiro, PortugalDepartment of Chemistry and QOPNA, University of Aveiro, 3810-193 Aveiro, PortugalDepartment of Chemistry and QOPNA, University of Aveiro, 3810-193 Aveiro, PortugalDepartment of Chemistry and QOPNA, University of Aveiro, 3810-193 Aveiro, PortugalThis review covers the synthesis of coumarin–porphyrin, coumarin–phthalocyanine and coumarin–corrole conjugates and their potential applications. While coumarin–phthalocyanine conjugates were obtained almost exclusively by tetramerization of coumarin-functionalized phthalonitriles, coumarin–porphyrin and coumarin–corrole conjugates were prepared by complementary approaches: (a) direct synthesis of the tetrapyrrolic macrocycle using formylcoumarins and pyrrole or (b) by functionalization of the tetrapyrrolic macrocycle. In the last approach a range of reaction types were used, namely 1,3-dipolar cycloadditions, hetero-Diels–Alder, Sonogashira, alkylation or acylation reactions. This is clearly a more versatile approach, leading to a larger diversity of conjugates and allowing the access to conjugates bearing one to up to 16 coumarin units.http://www.mdpi.com/1420-3049/22/6/994coumarinsporphyrinsphthalocyaninescorroles
spellingShingle Ana F. R. Cerqueira
Vítor A. S. Almodôvar
Maria G. P. M. S. Neves
Augusto C. Tomé
Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and Applications
Molecules
coumarins
porphyrins
phthalocyanines
corroles
title Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and Applications
title_full Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and Applications
title_fullStr Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and Applications
title_full_unstemmed Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and Applications
title_short Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and Applications
title_sort coumarin tetrapyrrolic macrocycle conjugates synthesis and applications
topic coumarins
porphyrins
phthalocyanines
corroles
url http://www.mdpi.com/1420-3049/22/6/994
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