An acid–base adjustable pseudocryptand-type [2]pseudorotaxane based on a bis(meta-phenylene)-32-crown-10 derivative and paraquat

A pseudocryptand-type [2]pseudorotaxane was formed via the self-assembly of a dipyridyl bis(meta-phenylene)-32-crown-10 (BMP32C10) derivative and a paraquat derivative. Due to the basicity of the pyridyl group, which forms the third pseudo-bridge of the pseudocryptand, this pseudorotaxane possesses...

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Veröffentlicht in:	Tetrahedron letters 2011-11, Vol.52 (48), p.6379-6382
Hauptverfasser:	Niu, Zhenbin, Slebodnick, Carla, Huang, Feihe, Azurmendi, Hugo, Gibson, Harry W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acid/base adjustable Adjustable Basicity Chemistry Constants Cross-disciplinary physics: materials science rheology Crown ether Derivatives Exact sciences and technology Heterocyclic compounds Heterocyclic compounds with o, s, se, te hetero atom and condensed derivatives Heterocyclic compounds with only one n hetero atom and condensed derivatives Heterocyclic compounds with several n hetero atoms in the same ring, in separated rings or in fused rings Materials science Mathematical analysis Methods of nanofabrication Organic chemistry Paraquat Physics Preparations and properties Pseudocryptand Pseudorotaxane Self assembly Supramolecular and biochemical assembly Tetrahedrons
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Zusammenfassung:	A pseudocryptand-type [2]pseudorotaxane was formed via the self-assembly of a dipyridyl bis(meta-phenylene)-32-crown-10 (BMP32C10) derivative and a paraquat derivative. Due to the basicity of the pyridyl group, which forms the third pseudo-bridge of the pseudocryptand, this pseudorotaxane possesses two finite acid–base adjustable association constants.
ISSN:	0040-4039 1873-3581
DOI:	10.1016/j.tetlet.2011.09.054