Conjugation Paths in Oxatriphyrin(2.1.1) - C2 Bridge Modifications

An efficiency of delocalization in strongly conjugated systems remains an important factor crucial for modulation of the optical properties directly correlated with its range. An ortho-substituted phenylene derivative bearing electron donating/accepting functionality was built-in a fully unsaturated...

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Bibliographic Details
Published in:	ChemPlusChem (Weinheim, Germany) p. e202400636
Main Authors:	Dalberto, Kevin, Dzieszkowski, Krzysztof, Orzeł, Łukasz, Chmielewski, Piotr J, Pawlicki, Milosz
Format:	Journal Article
Language:	English
Published:	Germany 05-10-2024
Subjects:	macrocycle aromaticity antiaromaticity pi-conjugation redox switching
Online Access:	Get full text
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Summary:	An efficiency of delocalization in strongly conjugated systems remains an important factor crucial for modulation of the optical properties directly correlated with its range. An ortho-substituted phenylene derivative bearing electron donating/accepting functionality was built-in a fully unsaturated macrocyclic system with a global delocalization of a diatropic and/or a paratropic current. A precisely located structural modification influence observed behaviour in spectroscopic parameters that are only slightly recognizable in 4n+2 systems but showing a significant influence on the reduced derivatives with a contribution of 4n π-electrons delocalization path.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	2192-6506 2192-6506
DOI:	10.1002/cplu.202400636