Efficient syntheses of pillar[6]arene-based hetero[4]rotaxanes using a cooperative capture strategy

Xisen Hou; Chenfeng Ke; Chuyang Cheng; Nan Song; Anthea K Blackburn; Amy A Sarjeant; Youssry Y Botros; Ying-Wei Yang; J Fraser Stoddart

doi:10.1039/c4cc00733f

Efficient syntheses of pillar[6]arene-based hetero[4]rotaxanes using a cooperative capture strategy

Chem Commun (Camb). 2014 Jun 14;50(47):6196-9. doi: 10.1039/c4cc00733f. Epub 2014 Mar 24.

Authors

Xisen Hou¹, Chenfeng Ke, Chuyang Cheng, Nan Song, Anthea K Blackburn, Amy A Sarjeant, Youssry Y Botros, Ying-Wei Yang, J Fraser Stoddart

Affiliation

¹ Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA. stoddart@northwestern.edu.

PMID: 24658071
DOI: 10.1039/c4cc00733f

Abstract

While a single pillar[6]arene ring, nestling between two cucurbit[6]uril rings in a series of three hetero[4]rotaxanes, is conformationally mobile in solution, it adopts the energetically most favourable conformation with local C3V symmetry in the solid state.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Molecular Structure
Pyridinium Compounds / chemistry*
Quaternary Ammonium Compounds / chemical synthesis*
Quaternary Ammonium Compounds / chemistry
Rotaxanes / chemistry*

Substances

Pyridinium Compounds
Quaternary Ammonium Compounds
Rotaxanes
pillar(6)arene