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Anion‐Dependent Binding‐Mode Changes in meso ‐(5,6‐Dichlorobenzimidazole) Picket Calix[4]pyrrole
Author(s) -
Mulugeta Endale,
Dutta Ranjan,
He Qing,
Lynch Vince,
Sessler Jonathan,
Lee ChangHee
Publication year - 2017
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.201700733
Subject(s) - chemistry , fluoride , chloride , pyrrole , ion , solid state , medicinal chemistry , inorganic chemistry , stereochemistry , polymer chemistry , organic chemistry
A deep‐cavity calix[4]pyrrole anion receptor bearing 5,6‐dichlorobenzimidazole subunits at diametrically opposed meso positions was synthesized and its anion‐binding properties were investigated. The synthesized receptor showed higher affinity for fluoride anions than for chloride anions with a high discrimination factor. Significant differences in the solid‐state geometries between the fluoride and chloride complexes were observed.