Weakly associated TFPB anions are superior to PF6 anions when preparing (pseudo)rotaxanes from crown ethers and secondary dialkylammonium ions

Nai-Chia Chen; Chun-Ju Chuang; Liang-Yun Wang; Chien-Chen Lai; Sheng-Hsien Chiu

doi:10.1002/chem.201103464

Weakly associated TFPB anions are superior to PF6 anions when preparing (pseudo)rotaxanes from crown ethers and secondary dialkylammonium ions

Chemistry. 2012 Feb 13;18(7):1896-900. doi: 10.1002/chem.201103464. Epub 2012 Jan 16.

Authors

Nai-Chia Chen¹, Chun-Ju Chuang, Liang-Yun Wang, Chien-Chen Lai, Sheng-Hsien Chiu

Affiliation

¹ Department of Chemistry and Center for Emerging Material and Advanced Devices, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan, 10617 ROC.

PMID: 22249948
DOI: 10.1002/chem.201103464

Abstract

Making the right choice: Tetrakis(3,5-trifluoromethylphenyl)borate (TFPB) counter anions can facilitate the threading of dibenzylammonium (DBA(+)) ions through macrocycles in cases where the corresponding PF(6)(-) salts fail to exhibit complexation.

Publication types

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

MeSH terms

Anions
Borates / chemistry*
Crown Ethers / chemistry*
Models, Molecular
Molecular Structure
Quaternary Ammonium Compounds / chemistry*
Rotaxanes / chemistry*

Substances

Anions
Borates
Crown Ethers
Quaternary Ammonium Compounds
Rotaxanes