Metallacycles Capabilities in Host-Guest Chemistry
نویسندگان
چکیده
منابع مشابه
Metallacycles Capabilities in Host–Guest Chemistry
Host–guest chemistry encompasses the study of highly structured molecular complexes composed of at least two entities associated by noncovalent interactions, one possessing convergent binding sites, the host, and another possessing divergent binding sites, the guest. Among other species, the host can be a crown ether, calixarene, or metallacycle, whereas the guest can be virtually any small-tom...
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The study of host–guest chemistry in the gas phase has been pursued systematically only in the last 5 years, after sporadic interest in the 1980s, despite extensive investigation of this chemistry in the condensed phase and the success encountered in several Ðelds of application. Most gas-phase studies have been performed under the controlled conditions that can be achieved inside a mass spectr...
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Aspects of host-guest complexation are examined in the solvent-free environment of a mass spectrometer. A kinetic dissociation method is used to determine orders of relative ammonium and alkali metal cation binding affinities of an array of model hosts, such as crown ethers and their acyclic analogs. Sizeselective effects on binding are observed from these gas-phase experiments. The binding pro...
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ژورنال
عنوان ژورنال: ChemistryOpen
سال: 2015
ISSN: 2191-1363
DOI: 10.1002/open.201500125