Threading the Calix[5]arene Annulus | Zendy

Gattuso Giuseppe | Zendy; Notti Anna | Zendy; Parisi Melchiorre F. | Zendy; Pisagatti Ilenia | Zendy; Amato Maria E. | Zendy; Pappalardo Andrea | Zendy; Pappalardo Sebastiano | Zendy

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Threading the Calix[5]arene Annulus

Author(s) -

Gattuso Giuseppe,

Notti Anna,

Parisi Melchiorre F.,

Pisagatti Ilenia,

Amato Maria E.,

Pappalardo Andrea,

Pappalardo Sebastiano

Publication year - 2010

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.200902945

Subject(s) - threading (protein sequence) , thread (computing) , pairing , annulus (botany) , salt (chemistry) , chemistry , crystallography , ion , stereochemistry , materials science , computer science , organic chemistry , physics , condensed matter physics , biochemistry , composite material , programming language , protein structure , superconductivity

Slowly does it! Di‐ n ‐alkylammonium ions (such as 2⋅ H + ) thread the annulus of calix[5]arene 1 to yield stable [2]pseudorotaxanes. The ease of formation of this hitherto unknown family of interpenetrated supermolecules is predominantly determined by salt ion‐pairing effects, whereas the time course of the threading/dethreading process depends on the length of the cation alkylammonium chains.

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