A New Chelating Polymer
- 1 May 1979
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science: Part A - Chemistry
- Vol. 13 (4), 503-510
- https://doi.org/10.1080/00222337908066608
Abstract
This paper reports a new synthesis of polymers in which macro-cyclic bis-1,3-diketones are attached to polystyrene and then complexed with transition metals. Preparation of 22- and 26-membered macrocyclic bis-1,3-diketones was performed by Fe(III)Cl3-induced ring expansion reaction of the corresponding tetrakis(trimethylsilyloxy)tricycloalkanes according to the procedure we reported previously. Treatment of the 22- and 26-membered macrocyclic bis- 1,3-diketones with chloromethylated polystyrene in dimethylformamide in the presence of sodium hydride produced polystyrene with macrocyclic bis-1,3-diketone as pendant groups. As expected, the polystyrene carrying macrocyclic bis-1,3-diketone rings was found to form metal chelated polymer when it was treated with transition metal salts such as copper, nickel, and cobalt.Keywords
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