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Neo-Fused Hexaphyrin: A Molecular Puzzle Containing an N-Linked Pentaphyrin
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.ORCID iD: 0000-0001-6508-8355
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2014 (English)In: Angewandte Chemie International Edition, ISSN 1433-7851, E-ISSN 1521-3773, Vol. 53, no 51, 14069-14073 p.Article in journal (Refereed) Published
Abstract [en]

The first neo-confused hexaphyrin(1.1.1.1.1.0) was synthesized by oxidative ring closure of a hexapyrrane bearing two terminal "confused" pyrroles. The new compound displays a folded conformation with a short interpyrrolic C center dot center dot center dot N distance of 3.102 angstrom, and thus it readily underwent ring fusion to afford a neo-fused hexaphyrin with an unprecedented 5,5,5,7-tetracyclic ring structure. Furthermore, coordination of Cu-II triggered a ring opening/contracting reaction to afford a Cu-II complex of an N-linked pentaphyrin derivative. The roles of reactive N-C bonds in the porphyrinoid macrocycles were demonstrated.

Place, publisher, year, edition, pages
2014. Vol. 53, no 51, 14069-14073 p.
Keyword [en]
fused-ring systems, hexaphyrins, macrocycles, pentaphyrins, porphyrinoids
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-160065DOI: 10.1002/anie.201408307ISI: 000346484400017Scopus ID: 2-s2.0-84917710838OAI: oai:DiVA.org:kth-160065DiVA: diva2:792638
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QC 20150304

Available from: 2015-03-04 Created: 2015-02-13 Last updated: 2017-12-04Bibliographically approved

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Li, XinÅgren, Hans

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