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crown ether |
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crown ether [′krau̇n ‚ē·thər] (organic chemistry) A macrocyclic polyether whose structure exhibits a conformation with a so-called hole capable of trapping cations by coordination with a lone pair of electrons on the oxygen atoms. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Crown ethers act almost exclusively on positively charged ions, readily unfolding and stretching to engulf their unwitting guests. |
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