Unexpected halide anion binding modes in meso-bis-ethynyl picket-calix[4]pyrroles: effects of meso-π (ethynyl) extension

Unexpected halide anion binding modes in meso-bis-ethynyl picket-calix[4]pyrroles: effects of meso-π (ethynyl) extension

meso-Ethynyl extended aryl-picket calix[4]pyrroles 2 and 3 are designed and synthesized by directly anchoring arylethynyl groups at diametrically opposed meso-positions. The critical roles of direct ethynyl linkers are manifested through the isolation of unexpected host-anion conformers of meso-aryl...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2018, Vol.54 (57), p.7936-7939
Hauptverfasser: Dutta, Ranjan, Firmansyah, Dikhi, Kim, Jihoon, Jo, Hongil, Ok, Kang Min, Lee, Chang-Hee
Format: Artikel
Sprache:eng
Schlagworte:
Anchoring
Anions
Aromatic compounds
Binding
Pyrroles
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Zusammenfassung:meso-Ethynyl extended aryl-picket calix[4]pyrroles 2 and 3 are designed and synthesized by directly anchoring arylethynyl groups at diametrically opposed meso-positions. The critical roles of direct ethynyl linkers are manifested through the isolation of unexpected host-anion conformers of meso-arylethynyl calix[4]pyrroles and a significant enhancement in halide binding affinities.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc04393k