中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
二氮杂18-冠醚-6 | 1,4,10,13-tetraoxa-7,16-diazacyclooctadecane | 23978-55-4 | C12H26N2O4 | 262.349 |
Two-armed lariat ethers having double bonds present in their side arms form stable complexes with sodium and potassium cations. When the double bonds are positioned appropriately, cation-π interactions are observed between the neutral double bonds and the macroring- bound cation as demonstrated by X-ray crystallography.