Ion Extraction of Alkali Metal Cations by a Calix[4]arene Bearing Two Ester Groups
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概要
- 論文の詳細を見る
The lipophilic calix[4]arene 1,3-alternate conformer possessing two (ethoxycarbonyl)methoxy groups 1 exhibits novel extraction behaviors towards alkali metal cations. This compound shows the peak selectivity for K+ as the highest value (95.1%), however, the selectivity among Na+, K+, Rb+, Cs+ is not so large (extraction values: ca. 85±10%) because of the flexible cavity formed by two ester groups. Hence the extraction values would be better explained by “induced-fit-geometry” than by “hole-size selectivity”. The ion-selectivity by the lipophilic calix[4]arene cone conformer possessing four (ethoxycarbonyl)methoxy groups 2 was strongly dependent on ionic size as for the size selectivity exhibited by typical crown ether type ionophores..
- 日本油化学会の論文
- 2004-11-01
著者
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Yamaguchi Tomohiko
Nanotechnology Research Institute National Institute Of Advanced Industrial Science And Technology
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Yamamoto Takaya
Rinoru Oil Mills Co. Ltd.
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Yamamoto T
Aist Tsukuba Jpn
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ARIMURA Takashi
Nanotechnology Research Institute, AIST
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NISHIOKA Takuya
Nanotechnology Research Institute, AIST
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IDE Seiji
Nanotechnology Research Institute, AIST
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KUMAMOTO Satoshi
Nanotechnology Research Institute, AIST
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YAMAMOTO Takahiro
Nanotechnology Research Institute, AIST
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TACHIYA M.
AIST
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Yamaguchi Tomohiko
Nanotechnology Res. Inst. Aist
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KUMAMOTO Satoshi
National Institute of Advanced Industrial Science and Technology (AIST)
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Tachiya Masanori
AIST Fellow
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Tachiya Masanori
National Inst. Advanced Industrial Sci. And Technol. Tsukuba Jpn
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Kumamoto Satoshi
Nanotechnology Res. Inst. Aist
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Nishioka Takuya
National Institute Of Advanced Industrial Science And Technology (aist)
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Yamamoto Takahiro
Nanotechnology Research Institute National Institute Of Industrial Science And Technology
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Yamamoto Takahiro
Nanotechnology Research Institute Aist
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Ide Seiji
National Institute of Advanced Industrial Science and Technology (AIST)
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