Supramolekulare Chemie von Gasen

Rudkevich, Dmitry M.

doi:10.1002/ange.200300606

Cited by 41 publications

(23 citation statements)

References 110 publications

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“…[61] Recently, Tao and co-workers reported that hexamethylenetetramine is capable of forming a lid on CB [5]. [92] The most remarkable property of CB [5] and Me 10 CB [5] is their ability to bind gases [93] (for example, Kr, Xe, N 2 , O 2 , Ar, N 2 O, NO, CO, CO 2 , and CH 4 ) and small solvents (for example, CH 3 OH and CH 3 CN). Such complexes were observed by Dearden and co-workers [91,94,95] by mass spectrometric investigations, by Miyahara et al [96] in aqueous solution and the solid state, and discussed by Day [34,41] and Miyahara [45] in the patent literature.…”

Section: Cb[5] and Me 10 Cb[5]mentioning

confidence: 98%

The Cucurbit[n]uril Family

et al. 2005

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In 1981, the macrocyclic methylene-bridged glycoluril hexamer (CB[6]) was dubbed "cucurbituril" by Mock and co-workers because of its resemblance to the most prominent member of the cucurbitaceae family of plants--the pumpkin. In the intervening years, the fundamental binding properties of CB[6]-high affinity, highly selective, and constrictive binding interactions--have been delineated by the pioneering work of the research groups of Mock, Kim, and Buschmann, and has led to their applications in waste-water remediation, as artificial enzymes, and as molecular switches. More recently, the cucurbit[n]uril family has grown to include homologues (CB[5]-CB[10]), derivatives, congeners, and analogues whose sizes span and exceed the range available with the alpha-, beta-, and gamma-cyclodextrins. Their shapes, solubility, and chemical functionality may now be tailored by synthetic chemistry to play a central role in molecular recognition, self-assembly, and nanotechnology. This Review focuses on the synthesis, recognition properties, and applications of these unique macrocycles.

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Section: Cb[5] and Me 10 Cb[5]mentioning

confidence: 98%

The Cucurbit[n]uril Family

et al. 2005

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“…[10] Among the suitable guests, gases are emerging as targets for host-guest chemistry, as well as for storage and catalysis, aspects of which have been outlined elsewere. [11] Herein we report the behavior of a recently synthesized C 3 -symmetric enantiopure cyclotrimer bearing three oxime moieties which dimerizes in solution to form a reversible molecular capsule that entraps gaseous guests within the cavity.…”

Section: Dedicated To Professor Leo a Paquettementioning

confidence: 99%

Gas Hosting in Enantiopure Self‐Assembled Oximes

et al. 2007

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The enantiopure C3-symmetric trioxime derived from (+)-syn-benzotricamphor forms a dimer in low-polar solvents which encapsulates small molecules, such as Ar, CO, O2, N2, and CH 4 (see picture; gray C, blue N, red O, white H). The two benzocyclotrimers are fastened together by six hydrogen bonds between the oxime moieties. Gas binding is fast on the NMR timescale at room temperature, but is slow and complete at lower temperature

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“…The use of molecular recognition for gas storage and separation [1] is of great interest in applied chemistry, since this can lead to new applications in energy conservation and controlled consumption. Metal-organic frameworks, [2] covalent organic frameworks, [3a-c] nanoporous organic polymers, [3d] as well as dipeptide aggregates with nanochannels, [4] have received considerable attention in regard to gas adsorption.…”

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confidence: 99%