Crown Ethers
《英文msh詞典》Crown Ethers
[主題詞] Crown Ethers
[同義詞] Crown Compounds
[同義詞] Cryptands
[同義詞] Cryptates
[入口詞] Compounds,Crown
[入口詞] Ethers,Crown
[英文釋義] 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.