Tactic poly(crown ether)s with pendant benzocrown ethers |
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| Authors: | Keiichi Kimura Hiroshi Tamura Takumi Maeda Toshiyuki Shono |
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| Affiliation: | (1) Department of Applied Chemistry, Faculty of Engineering, Osaka University, Yamada-kami, Suita, 565 Osaka, Japan |
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| Abstract: | Summary Tactic and atactic poly(crown ether)s, poly(methacryloyloxymethylbenzo-15-crown-5), were synthesized by polymer reaction of the respective poly(methacrylic acid) with chloromethylbenzo-15-crown-5 and radical polymerization of methacryloyloxymethylbenzo-15-crown-5. By solvent extraction of alkali metal picrates with these poly(crown ether)s, the isotactic poly(crown ether) was found to be a little more selective for K+ and Rb+ than the syndiotactic and atactic ones. |
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