Results 161 to 170 of about 6,709 (215)
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Chemical Communications, 2013
The synthesis in 1985 by the group led by Tony McKervey of numerous calix[4]arene derivatives capable of acting as neutral, multidentate ligands proved to be a seminal step in the development of various applications of calixarenes as metal-ion binding agents.
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The synthesis in 1985 by the group led by Tony McKervey of numerous calix[4]arene derivatives capable of acting as neutral, multidentate ligands proved to be a seminal step in the development of various applications of calixarenes as metal-ion binding agents.
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1996
Abstract The term calix[n]arenes indicates a class of phenolic metacyclophanes derived from the condensation of phenols and aldehydes. The name was coined by Gutsche and derives from the Latin ‘calix’ because of the vase-like structure that these macrocycles assume when all the aromatic rings are oriented in the same direction.
Arturo Arduini, Alessandro Casnati
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Abstract The term calix[n]arenes indicates a class of phenolic metacyclophanes derived from the condensation of phenols and aldehydes. The name was coined by Gutsche and derives from the Latin ‘calix’ because of the vase-like structure that these macrocycles assume when all the aromatic rings are oriented in the same direction.
Arturo Arduini, Alessandro Casnati
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Biopharmaceutical applications of calixarenes
Journal of Drug Delivery Science and Technology, 2004xxx
Dasilva, E., Lazar, An, Colemanaw, Xxxx
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Catenation of Calixarene Annulus
Organic Letters, 2012Through-the-annulus-catenated calixarenes have been obtained, for the first time, by exploiting the "superweak anion" approach that allows the threading of the calix cavity with functionalized dialkylammonium axles. In addition, the first example of a stereoprogrammed synthesis of a catenane orientational isomer (an oriented calix[2]catenane) has been ...
GAETA, CARMINE +5 more
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Liquid Crystalline Calixarenes
Journal of Inclusion Phenomena and Molecular Recognition in Chemistry, 1994Bowl-shaped (bowlic) liquid crystals are reviewed and new bowlic materials containing rigid tungsten-oxo calix[4]arene based cores are discussed. Tungsten-oxo calix[4]arenes with 8 and 12 dodecyloxy sidechains have been investigated and exhibit bowlic columnar phases which are stable over approximately a 200° temperature range.
Timothy M. Swager, Bing Xu
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Topics in calixarene chemistry
Journal of Inclusion Phenomena and Molecular Recognition in Chemistry, 1989Several facets of calixarene chemistry have been investigated including the mechanism of their formation by the base-induced condensation of phenols and formaldehyde, procedures for introducing functional groups onto the ‘upper rim’ and ‘lower rim’ of calixarenes, the conformational behavior of calixarene oxyanions, the formation of complexes in ...
C. David Gutsche +6 more
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ChemInform Abstract: Chirality in Calixarenes and Calixarene Assemblies
ChemInform, 2001AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Myroslav Vysotsky +2 more
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Photo-CIDNP studies on calixarenes and bridged calixarenes
J. Chem. Soc., Chem. Commun., 1987A comparison of the photo-CIDNP spectra of calix(4)arenes (1) and bridged calix(4)arenes (2) shows that a certain degree of flexibility is necessary for a rapid intramolecular hydrogen transfer from the hydroxy groups of phenolic units to adjacent phenoxyl radical units.
Volker Böhmer +3 more
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Lanthanide Ions and Calixarenes
1991Phenols and their derivatives have an extensive coordination chemistry [1–3] which, although less extensive than that of alcohols, is familiar in areas ranging from simple qualitative testing for cations [4] to major aspects of biological [5] and industrial [6] chemistry.
Buenzli, Jean Claude G. +1 more
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