Formation of Solvent-Separated Ion Pairs in Calix [4] arene Possessing Two Ester Groups : Molecular Tweezers
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概要
- 論文の詳細を見る
Binding constants (Ka) of calix[4]arene 1,3-alternate conformer 2 bearing two ester groups for alkali picrates have been determined in tetrahydrofuran. It has been established that (i) 2 forms the 1:1 complexes with alkali metal cations, (ii) the M+-2 complexes are not considerably solvent-separated because of the “weak encapsulation effect” for two ester groups of 2, however the Ka values for 2 are generally as large as those for 1 having four ester groups. Interestingly, the largest Ka was attained for K+ and 2 complexes. This is the first comparison for the recognition capacity between two ester groups and four ester groups in calix[4]arene ester complexes.
- 日本油化学会の論文
- 2003-11-01
著者
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MURATA Shigeo
National Institute of Materials and Chemical Research (NIMC)
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ARIMURA Takashi
National Instiufe of Materials and Chemical Research, COE laboratory
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IDE Seiji
National Instiufe of Materials and Chemical Research, COE laboratory
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NISHIOKA Takuya
National Instiufe of Materials and Chemical Research, COE laboratory
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Murata S
National Institute Of Advanced Industrial Science And Technology (aist)
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TACHIYA M.
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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Nishioka Takuya
National Institute Of Advanced Industrial Science And Technology (aist)
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MURATA Shigeo
National Institute of Advanced Industrial Science and Technology (AIST)
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ARIMURA Takashi
National Institute of Advanced Industrial Science and Technology (AIST)
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Ide Seiji
National Institute of Advanced Industrial Science and Technology (AIST)
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