crown ether
The term "crown ether" refers to a class of cyclic compounds known for their ability to form complexes with metal ions, facilitating various chemical processes.
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Definition
C1Organic Chemistry
(technical, academic)A cyclic compound with multiple ether groups that can bind selectively to metal ions.
Example
- Crown ethers are often used to solubilize salts in nonpolar solvents.
- The 18-crown-6 ether is known for its strong affinity for potassium ions.
C1Chemical Engineering
(technical, academic)A macrocyclic polyether that forms complexes with metal ions, aiding in ion transport and separation.
Example
- Crown ethers play a crucial role in phase transfer catalysis.
- Researchers are exploring new applications for crown ethers in environmental cleanup.