2013
DOI: 10.1021/ja404797y
|View full text |Cite
|
Sign up to set email alerts
|

Detection of Isomeric Microscopic Host–Guest Complexes. A Time-Evolving Cucurbit[7]uril Complex

Abstract: The formation of inclusion complexes between the cucurbit[7]uril host and a cationic guest containing ferrocenylmethyl and adamantyl residues connected to an ammonium nitrogen initially leads to an ~1:1 mixture of two isomeric microscopic complexes, which evolves as a function of time toward the thermodynamically stable mixture, dominated by the adamantyl-included complex.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
1
1

Citation Types

0
47
0

Year Published

2014
2014
2024
2024

Publication Types

Select...
10

Relationship

0
10

Authors

Journals

citations
Cited by 49 publications
(47 citation statements)
references
References 28 publications
0
47
0
Order By: Relevance
“…As to generating a kinetically trapped state as the first step (Fig. 1b(i)), there have been several host molecules that temporarily bind a kinetically favoured guest prior to the binding with a thermodynamically favoured guest31323334353637383940414243. Therefore, we envisioned a kinetically trapped host–guest system having the second step in which removal of the kinetic barrier can initiate the guest uptake or exchange (Fig.…”
mentioning
confidence: 99%
“…As to generating a kinetically trapped state as the first step (Fig. 1b(i)), there have been several host molecules that temporarily bind a kinetically favoured guest prior to the binding with a thermodynamically favoured guest31323334353637383940414243. Therefore, we envisioned a kinetically trapped host–guest system having the second step in which removal of the kinetic barrier can initiate the guest uptake or exchange (Fig.…”
mentioning
confidence: 99%
“…18 The encapsulation of both end groups in CB7 catalyzed the conversion from the ferrocenyl-embedded into the thermodynamically more stable adamantyl-included forms. The sliding of CB7 over an ammonium moiety was found to be energetically unfavorable.…”
mentioning
confidence: 99%
“…[57] Furthermore, as is in the case for viologen and tetrathiafulvalene, CBn complexation of reduced (or oxidized) species, such as radical cations, can lead to their chemically chemical stabilisation and suppression of certain aggregation pathways, which may facilitate analyte-detection by spectroelectrochemistry. For instance, addition of CB7 to a ditopic analyte containing a ferrocenyland adamantyl-binding motif gave indicative square wave voltammetry (SWV) peak currents from which the amount of free and complexed ferrocenyl-and adamantyl moieties could be deduced at different stages of the equilibration process.…”
Section: Redox Sensingmentioning
confidence: 99%