Selective Formation of a Single Atropisomer of meso–meso‐Linked ZnII Diporphyrin through Supramolecular Self‐Assembly

One‐way atropisomerism: meso‐(4‐Butoxypyrid‐3‐yl)‐substituted ZnII porphyrins self‐assemble to form zigzag‐shaped cyclic hexamers, whereas the meso–meso‐linked ZnII diporphyrins 1 undergo self‐sorting self‐assembly to form different assemblies. Upon heating, entropically driven one‐way atropisomeris...

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Published inChemistry : a European journal Vol. 15; no. 38; pp. 9681 - 9684
Main Authors Maeda, Chihiro, Kamada, Taisuke, Aratani, Naoki, Sasamori, Takahiro, Tokitoh, Norihiro, Osuka, Atsuhiro
Format Journal Article
LanguageEnglish
Published Weinheim WILEY‐VCH Verlag 28.09.2009
Subjects
atropisomerism
entropy
porphyrinoids
self‐assembly
self‐sorting
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Summary:One‐way atropisomerism: meso‐(4‐Butoxypyrid‐3‐yl)‐substituted ZnII porphyrins self‐assemble to form zigzag‐shaped cyclic hexamers, whereas the meso–meso‐linked ZnII diporphyrins 1 undergo self‐sorting self‐assembly to form different assemblies. Upon heating, entropically driven one‐way atropisomerism to 1in−in has been achieved through fragmentary reconstitution of supramolecular aggregates.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.200901475