16-Membered benzoazo-and benzoazoxycrown ethers have been synthesized by reductive macrocyclization of respective bis(nitrophenoxy)oxaalkanes. The isomers of azocrown ethers were separated and E and Z structures were ascribed. Behavior of the compounds as ionophores in ion-selective membrane electro
โฆ LIBER โฆ
13-Membered Azocrown Ether. Structure of the Lithium Bromide Complex and Membrane Properties
โ Scribed by E. Luboch; J. F. Biernat; V. Ch Kravtsov; Yu. A. Simonov
- Book ID
- 110256513
- Publisher
- Springer Netherlands
- Year
- 1998
- Tongue
- English
- Weight
- 106 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0923-0750
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## Abstract The structural changes during the complexation of benzoโcrown ethers with Cs^+^, K^+^ and Na^+^ were studied by NOESY and variableโtemperature ^13^C NMR spectroscopy. It was found that, on complexation, the distance between the CHโฮฑ and 1โCH~2~ is reduced in dibenzoโ24โcrownโ8 (DB24C8),