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Journal ArticleDOI

Solubilization of alkali metals in tetrahydrofuran and diethyl ether by use of a cyclic polyether

01 Aug 1970-Journal of the American Chemical Society (American Chemical Society)-Vol. 92, Iss: 17, pp 5226-5228
About: This article is published in Journal of the American Chemical Society.The article was published on 1970-08-01. It has received 68 citations till now. The article focuses on the topics: Tetrahydrofuran & Diethyl ether.
Citations
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Journal ArticleDOI
C. J. Pedersen1, H. K. Frensdorff1
TL;DR: Cyclic polyethers have been successfully employed, inter alia, in experiments with ionic compounds in organic solvents and in studies of ion transport in biological systems.
Abstract: The most important, and almost unique, property of the macrocyclic polyethers (“crown compounds”) is their tendency to form complexes with alkali metal salts and salts with similar cations Such complexes are held together by electrostatic attraction between the cation and the negative end of the CO dipoles The stability of the polyether complexes depends primarily upon how well the cation fits into the polyether ring; other factors are the charge density of the cation and—in solution—the solvating power of the medium Cyclic polyethers have been successfully employed, inter alia, in experiments with ionic compounds in organic solvents and in studies of ion transport in biological systems

739 citations

Book
01 Jan 2004
TL;DR: Artificial Enzymes o DNA Nanotechnology o Drug Design o Imaging and Targeting o Natural Strategies for the Molecular Engineer o pi-pi interactions: theory and scope oSelf-Assembly in Biochemistry o Vibrational Spectroscopy.
Abstract: Artificial Enzymes o DNA Nanotechnology o Drug Design o Imaging and Targeting o Natural Strategies for the Molecular Engineer o pi-pi interactions: theory and scope oSelf-Assembly in Biochemistry o Vibrational Spectroscopy

626 citations


Cites background from "Solubilization of alkali metals in ..."

  • ...The study of more concentrated alkali metal solutions in a variety of solvents became possible in 1970, when crown ethers were used([10]) to enhance the solubility of the metal....

    [...]

Book ChapterDOI
01 Jan 1973
TL;DR: In this paper, it was shown that information stored in various structural features allows the thermodynamic and kinetic features of the complexation process to be monitored, and further progress may be achieved by making use of the feedback from present results to adjust and improve the model and to analyze the information-property relationship.
Abstract: Looking back to the introductory section, it appears that in recent years appreciable progress has been made in understanding and controlling the process of spherical recognition of alkali and alkaline-earth cations by organic ligand molecules. Information stored in various structural features allows the thermodynamic and kinetic features of the complexation process to be monitored. Further progress may be achieved by making use of the feedback from present results to adjust and improve the model and to analyze the information-property relationship.

475 citations

Journal ArticleDOI
01 Aug 2003-Science
TL;DR: In this article, Matsuishi et al. report a new inorganic electride that is stable at room temperature, which may find application in electron emission, catalysis, and refrigeration.
Abstract: In most materials, electrons are either associated with specific atoms or molecules, or are delocalized as in a metal. In his Perspective, Dye discusses recent insights into materials in which electrons behave very differently: They take the place of negatively charged ions. Most of these so-called electrides are only stable at very low temperatures. Matsuishi et al . report a new inorganic electride that is stable at room temperature. Materials of this kind may find application in electron emission, catalysis, and refrigeration.

277 citations