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Issue 76, 2020
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Revisiting indeno[2,1-c]fluorene synthesis while exploring the fully conjugated s-indaceno[2,1-c:6,5-c′]difluorene

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Abstract

Described herein is an alternative synthetic approach for conjugated indeno[2,1-c]fluorene, including the experimental and theoretical investigations of a tetraradicaloid s-indaceno[2,1-c:6,5-c′]difluorene that belongs to the rarely explored indacenodifluorene family containing 4n + 2 monocyclic conjugated π-electrons. Expedient synthesis, broad absorption reaching 1150 nm, and small HOMO–LUMO energy gap make [2,1-c:6,5-c′]s-IDF a promising candidate for optoelectronic applications.

Graphical abstract: Revisiting indeno[2,1-c]fluorene synthesis while exploring the fully conjugated s-indaceno[2,1-c:6,5-c′]difluorene

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Article information


Submitted
25 Jun 2020
Accepted
05 Aug 2020
First published
05 Aug 2020

Chem. Commun., 2020,56, 11319-11322
Article type
Communication

Revisiting indeno[2,1-c]fluorene synthesis while exploring the fully conjugated s-indaceno[2,1-c:6,5-c′]difluorene

H. Sharma, P. K. Sharma and S. Das, Chem. Commun., 2020, 56, 11319
DOI: 10.1039/D0CC04418K

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