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Pb, Sr and Ba calix[6]arene hexacarboxylic acid octahedral complexation: a dramatic effect of dealkylation.

Pb, Sr and Ba calix[6]arene hexacarboxylic acid octahedral complexation: a dramatic effect of dealkylation.

Authors :
Adhikari, Birendra Babu
To, Cuong-Alexander
Iwasawa, Tetsuo
Schramm, Michael P.
Source :
Supramolecular Chemistry. Oct2015, Vol. 27 Issue 10, p724-730. 7p.
Publication Year :
2015

Abstract

Calix[6]arene hexacarboxylic acid binds instantly and with low symmetry to Pb, Sr and Ba. Later a highly symmetric up-down alternating conformation emerges. The solution structures are identical to their p-tert-butylcalix[6]arene hexacarboxylic acid counterparts. With either receptor, an octahedral cage is formed around the metal. The transformation from low to high symmetry however proceeds at significantly faster rates for the de-t-butylated host. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10610278
Volume :
27
Issue :
10
Database :
Academic Search Index
Journal :
Supramolecular Chemistry
Publication Type :
Academic Journal
Accession number :
110361178
Full Text :
https://doi.org/10.1080/10610278.2015.1078898