2009
DOI: 10.1002/ange.200802947
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Bindungsmechanismen in supramolekularen Komplexen

Abstract: Kräfte‐Sammelsurium: Supramolekulare Komplexe, wie der gezeigte, beruhen meist auf einer Kombination unterschiedlichster Wechselwirkungen, wie Ionenpaarbildung, Wasserstoffbrücken und Stapelwechselwirkungen. Die nicht immer einfache Charakterisierung von Natur und Stärke der intermolekularen Kräfte liefert Beiträge zum Verständnis biomimetischer Systeme wie auch zum Design von synthetischen Rezeptoren, Wirkstoffen und intelligenten Materialien. Die supramolekulare Chemie hat in den letzten Jahren eine enorme… Show more

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Cited by 185 publications
(75 citation statements)
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References 1,081 publications
(712 reference statements)
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“…[22,23,36,37] Since we observed similar binding affinities between analogous ternary complexes of MBBI and MV but weakly visible charge transfer absorbances for the MBBI·CB [8] ternary complexes, forces other than charge-transfer interactions are likely to dominate binding between MBBI and CB[n]. [49] We propose that the role of the first guest in these complexes is primarily to fill the void space as well as to provide a pocket of suitable size and shape for the second guest. Moreover, the lack of a chargetransfer band may be useful in applications where optical transparency in the 400-600 nm range is desirable.…”
mentioning
confidence: 97%
“…[22,23,36,37] Since we observed similar binding affinities between analogous ternary complexes of MBBI and MV but weakly visible charge transfer absorbances for the MBBI·CB [8] ternary complexes, forces other than charge-transfer interactions are likely to dominate binding between MBBI and CB[n]. [49] We propose that the role of the first guest in these complexes is primarily to fill the void space as well as to provide a pocket of suitable size and shape for the second guest. Moreover, the lack of a chargetransfer band may be useful in applications where optical transparency in the 400-600 nm range is desirable.…”
mentioning
confidence: 97%
“…Figure 1) form dimeric aggregates with cavities that are able to encapsulate guests of appropriate shape and size. [21,22] The resemblance of the spectra of triureas 5 with those of triureas 2 in CDCl 3 suggests the presence of capsules 5·5@CDCl 3 . Previously, we demonstrated that dimeric aggregates 2·2 are excellent containers for MeI, CH 2 Cl 2 and MeNO 2 .…”
Section: F{mentioning
confidence: 95%
“…The dimeric assembly 5 a·5 a was also detected by ESI-MS experiments. The spectrum measured in CHCl 3 shows the corresponding molecular ion of the protonated dimer at m/z 1764 (Supporting Information).…”
Section: F{mentioning
confidence: 99%
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“…If such is the case, then the adverse entropic cost of the binding is shared between secondary and primary interactions and therefore binding is enhanced. [6,7] Otto has proposed the term reinforced molecular recognition for the enforcement of guest binding by interactions within the receptor. [8] Both sets of interactions positively cooperate and therefore they are mutually reinforced.…”
mentioning
confidence: 99%