Generation of Zwitterionic Water Channels: Biszwitterionic Imidazolium Carboxylates as Hydrogen-Bonding Acceptors

被引:15
|
作者
Kohmoto, Shigeo [1 ]
Okuyama, Shinpei [1 ]
Yokota, Nobuyuki [1 ]
Takahashi, Masahiro [1 ]
Kishikawa, Keiki [1 ]
Masu, Hyuma [2 ]
Azumaya, Isao [3 ]
机构
[1] Chiba Univ, Grad Sch Engn, Dept Appl Chem & Biotechnol, Inage Ku, Chiba 2638522, Japan
[2] Chiba Univ, Ctr Chem Anal, Inage Ku, Chiba 2638522, Japan
[3] Tokushima Bunri Univ, Fac Pharmaceut Sci, Kagawa 7692193, Japan
关键词
ORGANIC SUPRAMOLECULAR COMPLEX; X-RAY; IONIC LIQUIDS; CRYSTAL-STRUCTURES; (H2O)(10) CLUSTER; STATE; ICE; HEXAMERS; SALTS; POLYMORPHISM;
D O I
10.1021/cg200232b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Organic crystals containing several types of water channels are generated by clipping water molecules with biszwitterionic imidazolium carboxylates as hydrogen-bonding acceptors. The types of water channels to be generated depend on the size and the shape of the aromatic spacers tethered with two imidazolium carboxylates moieties. Clusters of water tetramers and dimers were obtained from imidazolium carboxylates with phenylene (1) and naphthalene (2) linkers, respectively. The latter showed pseudopolymorphism, affording layers of water hexamers. Imidazolium carboxylate possessing biphenylene linker (3) afforded channels of discrete water tetramers.
引用
收藏
页码:3698 / 3702
页数:5
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