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
Ⅰ. INTRODUCTIONIn the theory of magnetic optical activity on the basis of Faraday effect and Zeeman effect, Buckingham and Stephens have shown that the contribution of an isolated transition to the experimental MCD b...Ⅰ. INTRODUCTIONIn the theory of magnetic optical activity on the basis of Faraday effect and Zeeman effect, Buckingham and Stephens have shown that the contribution of an isolated transition to the experimental MCD band can be written as a sum of three terms, A, B and C, each with its own molecular properties, i. e.展开更多
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.
文摘Ⅰ. INTRODUCTIONIn the theory of magnetic optical activity on the basis of Faraday effect and Zeeman effect, Buckingham and Stephens have shown that the contribution of an isolated transition to the experimental MCD band can be written as a sum of three terms, A, B and C, each with its own molecular properties, i. e.
