| Synthesis and metallophilic properties of troponoid thiocrown ethers | |
| Akira Moria ; Kanji Kubob and Hitoshi Takeshita | |
| 发表期刊 | Coordination Chemistry Reviews
 |
| ISSN | 0010-8545 |
| 1996 | |
| 卷号 | 148页码:71-96 |
| 关键词 | Ionophores Troponoid Thiocrown Ethers |
| 通讯作者 | Hitoshi Takeshita |
| 英文摘要 | A new class of ionophores with troponoid and thiocrown ether units was prepared. Cation-binding properties of troponoid dithiocrown ethers were characterized using UV and NMR spectroscopies. They have affinity with metal ions; in particular, they showed high affinity with Hg2+. Transport of Hg2+ through a CHCl3 liquid membrane with troponoid dithiocrown ethers was examined in a U-type cell. From an aqueous solution of HgCl2 and CuCl2, Hg2+ is transferred selectively and smoothly, while the Cu2+ remained quantitatively in the original solution. The cavity size of dithiocrown ethers is one of the requirements for effective extraction and transport of Hg2+. However, derivatives with a smaller cavity still extract and transport Hg2+. A polymer-supported troponoid dithiocrown ether was prepared to transport Hg2+ effectively and repeatedly. Comparing the troponoid dithiocrown ether with the benzenoid dithiocrown ether with a similar cavity size, the former was more effective for the transport of Hg2+. It is proposed that the tropone ring assisted the release of Hg2+ from the complex by Coulomb repulsion between the protonated tropone ring and Hg2+. |
| 语种 | 英语 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/3071 |
| 专题 | 科研共享资源 |
| 推荐引用方式 GB/T 7714 | Akira Moria,Kanji Kubob and Hitoshi Takeshita. Synthesis and metallophilic properties of troponoid thiocrown ethers[J]. Coordination Chemistry Reviews,1996,148:71-96. |
| APA | Akira Moria,&Kanji Kubob and Hitoshi Takeshita.(1996).Synthesis and metallophilic properties of troponoid thiocrown ethers.Coordination Chemistry Reviews,148,71-96. |
| MLA | Akira Moria,et al."Synthesis and metallophilic properties of troponoid thiocrown ethers".Coordination Chemistry Reviews 148(1996):71-96. |
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