Please use this identifier to cite or link to this item: http://10.1.7.192:80/jspui/handle/123456789/6121
Title: Synthesis and Dissociation Constants of Calix(6) Arene Hydroxamic Acids
Authors: Agrawal, Y. K.
Kinji, Satish P.
Keywords: Calixarene
calixhydroxamic acid
synthesis
ionization constant
IPFP0185
Issue Date: 2005
Publisher: Shiraz University
Series/Report no.: IPFP0185;
Abstract: Calix(6)arene hydroxamic acids (III) are synthesised for the first time by reacting calix(6)arene acid chloride(II) with substituted hydroxylamines at low temperature in the presence of sodium bicarbonate. The p-carboxycalix(6)arene(I) is obtained by an acid catalysed condensation reaction of p-hydroxybenzoic acid and formaldehyde. These calixarenes are characterised by melting point, UV, IR, 1H NMR and mass spectra. The thermodynamic ionization constants of calixarene hydroxamic acids have been determined by a pH titration technique in dioxane-water media.
Description: Iranian Journal of Science & Technology, Transaction A, Vol. 29, No. A1 2005
URI: http://hdl.handle.net/123456789/6121
Appears in Collections:Faculty Papers

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