Canadian Medical Guide > Chemicals and Drugs > Organic Chemicals > Ethers > Ethers, Cyclic > Crown Ethers Terms and Definitions




Crown Ethers

Medical Definition: Macrocyclic polyethers with the repeating unit of (-CH2-CH2-O)n where n is greater than 2 and some oxygens may be replaced by nitrogen, sulfur or phosphorus. These compounds are useful for coordinating CATIONS. The nomenclature uses a prefix to indicate the size of the ring and a suffix for the number of heteroatoms.
Also Called: Cryptands,Cryptates
Previously Indexed: Ethers, Cyclic (1974-2003)

Crown Ethers Medical Definitions and Terms

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