calixarene


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calixarene

[kə′lik·sə‚rēn]
(organic chemistry)
A cyclic structure containing the group (‒Ar‒CH2‒)n , where Ar represents an aryl group.
References in periodicals archive ?
They cover highly selective extractants and a better understanding of phase-transfer phenomena, supramolecular interactions in the outer coordination spheres of extracted metal ions, molecular design and metal extraction behavior of calixarene compounds as host extractants, protein extraction by the recognition of lysine residues using macrocyclic molecules, interfacial molecular aggregation in solvent extraction systems, and supramolecular aspects of stable water-in-oil microemulsions in chemical separations.
A group of researchers at the University of Victoria has demonstrated that calixarene molecules can be used to read information encoded on DNA-packaging proteins called histones.
The bizarre behavior of an organic crystal called calixarene could help drive a hydrogen economy, suggests a new study.
A novel photozyme containing both butylated calixarene rings and naphthalene sulfonate groups has been synthesized [9].
8 Fullerene Receptors Based on Calixarene Derivatives (Pavel Lhotk and Ondrej Kundrt).
Although there are a few papers of historical interest in this volume, most of the 25 papers are not reviews, but "ordinary" research contributions which show the wide range of interest in calixarene chemistry.
Topics include extracting radioactive elements by calixarenes, the simultaneous removal of radionuclides by extractant mixtures, the radiolysis of solvents used in nuclear fuel reprocessing, automating extraction chromagraphic and ion-exchange separations for radiochemical analysis and monitoring, and neoteric solvents as the basis for alternative approaches to separating actinides and fission products.
Topics covered include ligand effects in homogeneous catalysis and rational catalyst design, P-stereogenic ligands, calixarenes, supramolecular approaches, solid phase synthesis, biological approaches, and solubility and separation.
Specific topics include artificial photochemical devices and machines, rotaxanes as ligands for molecular machines and metal-organic frameworks, strategic anion templation for the assembly of interlocked structures, synthetic nanotubes from calixarenes, supramolecular architecture based on organometallic half-sandwich complexes, endochemistry of self-assembled hollow spherical cages, polynuclear coordination stages, from structure to function for polyoxometalate nanocapsules, nanocapsules assembled by the hydrophobic effect, opportunities in nanotechnology via organic solid-state reactivity, and organic nanocapsules.
Examples include calixarenes, porphyrins, and macrocyclic polypyridine (17) derivatives.
Calixarenes, resorcinarenes, cavitands, carcerands, and heterocalixarenes