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Synthesis, Crystal Structures, and Supramolecular Assemblies of Pyrrole-Based Anion Receptors Bearing Modified Pyrrole β-Substituents

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posted on 01.07.2011, 00:00 by Yohei Haketa, Shohei Sakamoto, Kengo Chigusa, Takashi Nakanishi, Hiromitsu Maeda
Dipyrrolyldiketone BF2 complexes acting as acyclic anion receptors form supramolecular assemblies with structures and properties that are dependent on the pyrrole β-substituents. In particular, although β-alkyl substituents interfered with the formation of stable gel states, the introduction of fluorine moieties induced a stable supramolecular gel when compared to that of β-unsubstituted receptor.