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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 |
Files in This Item:
File | Description | Size | Format | |
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IPFP0185.pdf | IPFP0185 | 130.21 kB | Adobe PDF | ![]() View/Open |
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