1,3-Calix[4]arene Crown Ether Conformers with a 3-Thienyl Pendant Functionality at the Lower Rim
β Scribed by Ferguson, George; Gallagher, John F.; Lough, Alan J.; Notti, Anna; Pappalardo, Sebastiano; Parisi, Melchiorre F.
- Book ID
- 125482236
- Publisher
- American Chemical Society
- Year
- 1999
- Tongue
- English
- Weight
- 169 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0022-3263
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π SIMILAR VOLUMES
switch-on by Zn 2+ Fluorescence switch-off by Ni 2+ Lower rim 1,3-di-amide-derivative of calix [4]arene . ## a b s t r a c t Single crystal XRD structure of the lower rim 1,3-di-amide-derivative of calix[4]arene possessing bis-{N-(2,2 0 -dipyridylamide)} pendants (L) exhibit two distinct binding c
Treatment of calix[4] arenes with 1,3-dichloro-1,1,3,3-tetraisopropyldisiloxane using imidazole as a base yielded O,O%bridged calixarenes in excellent yields, which were subsequently treated with an alkyl halide/base to give O¦,O §-dialkylated products in high yields. These were, in turn, amenable