The formation of complexes between aza-derivatives of crown ethers and primary alkylammonium salts. Part 3. Monobenzo-derivatives of diaza-analogues and diazametacyclophanes
- 1 January 1979
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 1908-1914
- https://doi.org/10.1039/p19790001908
Abstract
The diaza-analogues of crown ethers (3b and e–g) form complexes with primary alkylammonium thiocyanates in non-polar solvents in which the binding energy is comparable with that found for the complexes of the analogous host molecules lacking the fused benzene ring substituent. These relative binding energies are based upon a kinetic method using n.m.r. line-shape techniques. The host molecule (6b) forms complexes with primary alkylammonium thiocyanates in which guest–host binding energy is significantly greater than for the [12] metacyclophane derivatives (3).Keywords
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