| 单词 | Crown Ethers |
| 释义 | Crown Ethers《英文msh词典》Crown Ethers [主题词] Crown Ethers [同义词] Crown Compounds [同义词] Cryptands [同义词] Cryptates [入口词] Compounds,Crown [入口词] Ethers,Crown [英文释义] 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. |
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