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Modulation of the cation complexing properties in the ‘lower rim’ chemically modified calixarene series
Author(s) -
Schwingweill M. J.,
Arnaudneu F.,
McKervey M. A.
Publication year - 1992
Publication title -
journal of physical organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.325
H-Index - 66
eISSN - 1099-1395
pISSN - 0894-3230
DOI - 10.1002/poc.610050811
Subject(s) - calixarene , chemistry , cyclophane , organic chemistry , stereochemistry , medicinal chemistry , combinatorial chemistry , molecule
The effect of chemical modifications on the lower rim of calix [ n ] arenes is analysed with respect to the cation binding ability of the receptor. Extraction data and stability constants of the complexes are discussed. Three main factors are investigated: the size of the calixarene, the conformation of the calixarene and the nature of the ligating group attached to the phenolic oxygen. The work concentrates on esters, ketones, amides, thioamides and carboxylic acids. Some data concern chemically modified tetrahomodioxacalix [4] arene esters.