## Abstract The new chromophore compounds with NLO properties were prepared by Knoevenagel condensation from formyl or diformyl calix[4]arene and isophorone derivatives in the presence of piperidine and acetic acid, respectively. In these chromophore calix[4]arenes, the ring locked trienes were emp
Synthesis and properties of novel amphiphilic calix-[4]-arene derivatives
✍ Scribed by Patrick Shahgaldian; Anthony W Coleman; Vitaly I Kalchenko
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- French
- Weight
- 66 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0040-4039
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## Abstract The synthesis of two new flavin substituted calix[4]arene derivatives, **9** and **10**, is described. The first flavin substituted calix[4]arene derivative **9** was synthesized by the reaction of 3‐methylalloxazine (**5**) with 25,27‐bis(3‐bromopropoxy)‐26,28‐dihydroxy‐5,11,17,23‐tetr
Two calix[4] arene derivatives (5 and 8) and their telomers are synthesized to estimate selective extraction of alkali and transition metal cations from the aqueous to the organic phase (chloroform). Compound 5 shows selectivity toward Hg 2ϩ . Compound 8 and telomers 6 and 9 are not selective but a