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Perfluorinated meso ‐Aryl‐Substituted Expanded Porphyrins
Author(s) -
Shimizu Soji,
Shin JiYoung,
Furuta Hiroyuki,
Ismael Rami,
Osuka Atsuhiro
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200390058
Subject(s) - alternation (linguistics) , aryl , planar , crystallography , chemistry , materials science , stereochemistry , computer science , organic chemistry , philosophy , computer graphics (images) , linguistics , alkyl
Twisted figure‐of‐eight structures are found for the perfluorinated meso ‐aryl‐substituted expanded porphyrins synthesized from 3,4‐difluoropyrrole and pentafluorobenzaldehyde under modified Rothemund–Lindsey conditions. The crystal structure of the [26]hexaphyrin (see picture) consists of two almost planar tripyrrolic subunits which are tilted by approximately 60° in which a distinct alternation in the bond lengths of the π‐electronic system is evident.
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