Proton‐ionizable crown compounds. 6. synthesis and structural studies of new crown compounds containing sulfonamide groups
- 1 November 1986
- journal article
- research article
- Published by Wiley in Journal of Heterocyclic Chemistry
- Vol. 23 (6) , 1667-1671
- https://doi.org/10.1002/jhet.5570230612
Abstract
Two new aza crown ethers, each containing two proton‐ionizable sulfonamide groups, have been synthesized by reacting o‐phenylenediamine with a bis‐sulfonyl chloride. These compounds transport alkali metal cations in a water‐methylene chloride‐water liquid membrane system at source phase pH values above 12. The crystal structure of one of the crown compounds was determined.Keywords
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