Chiroptical properties of cation complexes of chiral phenazino-18-crown-6 ether-type hosts
✍ Scribed by Szilvia Szarvas; Luca Szalay; Elemér Vass; Miklós Hollósi; Erika Samu; Péter Huszthy
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 349 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0899-0042
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## Abstract A series of double armed diaza‐15‐crown‐5 ethers **(9a ‐ 16a)** and diaza‐18‐crown‐6 ethers **(9b ‐ 16b)** have been prepared by the Mannich reaction of 2,6‐disubstituted phenols with the corresponding __N,N__'‐dimethoxymethyldiaza‐crown ethers in benzene. The crystal structures of the
The complexation of a series of bis(benzo crown ether)s of variable ring size and length of the linking chain with Na , K and Cs was studied in the gas phase by fast atom bombardment mass spectrometry in nitrobenzyl alcohol/glycerol as a matrix. Both 2:1 (conventionally within the cavity of the crow