对二苯并-30-冠-10(DB 30 C 10)和苯并-15-冠-5(B 15 C 5)的紫外分光光度测定法进行了研究。结果表明,DB 30 C 10在2.0×10^(-5)～2.4×10^(-4)mol/L 和 B 15 C 5在3.40×10^(-9)～4.1×10^(-4)mol/L 范围内遵守比耳定...对二苯并-30-冠-10(DB 30 C 10)和苯并-15-冠-5(B 15 C 5)的紫外分光光度测定法进行了研究。结果表明,DB 30 C 10在2.0×10^(-5)～2.4×10^(-4)mol/L 和 B 15 C 5在3.40×10^(-9)～4.1×10^(-4)mol/L 范围内遵守比耳定律。给出了两种试剂在不同溶液中的λ_(max)和ε值。展开更多
The research of the complex compounds between the crown ethers and metal ions has become more extensive since the first study of Pedrsen in 1967. The catalysis and separation property of crown ethers are important. It...The research of the complex compounds between the crown ethers and metal ions has become more extensive since the first study of Pedrsen in 1967. The catalysis and separation property of crown ethers are important. It is necessary to study the nature of these compounds. The present note reports the MCD spectra of 4-substituted benzo-15-crown-5.展开更多
文摘对二苯并-30-冠-10(DB 30 C 10)和苯并-15-冠-5(B 15 C 5)的紫外分光光度测定法进行了研究。结果表明,DB 30 C 10在2.0×10^(-5)～2.4×10^(-4)mol/L 和 B 15 C 5在3.40×10^(-9)～4.1×10^(-4)mol/L 范围内遵守比耳定律。给出了两种试剂在不同溶液中的λ_(max)和ε值。
文摘The research of the complex compounds between the crown ethers and metal ions has become more extensive since the first study of Pedrsen in 1967. The catalysis and separation property of crown ethers are important. It is necessary to study the nature of these compounds. The present note reports the MCD spectra of 4-substituted benzo-15-crown-5.
