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Artificial Molecular Machines.

Erbas-Cakmak S, Leigh DA, McTernan CT, Nussbaumer AL - Chem. Rev. (2015)

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Affiliation: School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom.

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bonded molecules and on catenanes and rotaxanes in which switching of other protic solvents... This effect (listed in descending binding ability) stations on the thread, macrocycle In these systems, fast-responding reporters are preferred... practical applications by utilizing molecular scale changes to create macroscopic effects... The thread of these rotaxanes included an anthracene fluorophore similar application in synthetic polymers often furnishes a useful result... of Brownian motion can be exploited to great effect in the synthesis every aspect of functional molecule and materials design... An improved robotics” in which ratcheted motions of molecular components

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(a) Chemical structure of the t-butylphenyl andBODIPY-substituted foldamers, and (b) X-ray structure of the t-butylphenyl functionalized foldamer. Carbon atoms of the t-butyl groups and all hydrogen atoms except OH and NH havebeen omitted for clarity. (c) Schematic representation of conformationalswitching. D and A represent energy donor and acceptor modules, respectively.1268−1270 Parts (a) and (c) are adapted with permission from ref (1268). Copyright 2007 Wiley-VCHVerlag GmbH & Co. KGaA, Weinheim. Part (b) is reprinted with permissionfrom ref (1269). Copyright2006 American Chemical Society.
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fig43: (a) Chemical structure of the t-butylphenyl andBODIPY-substituted foldamers, and (b) X-ray structure of the t-butylphenyl functionalized foldamer. Carbon atoms of the t-butyl groups and all hydrogen atoms except OH and NH havebeen omitted for clarity. (c) Schematic representation of conformationalswitching. D and A represent energy donor and acceptor modules, respectively.1268−1270 Parts (a) and (c) are adapted with permission from ref (1268). Copyright 2007 Wiley-VCHVerlag GmbH & Co. KGaA, Weinheim. Part (b) is reprinted with permissionfrom ref (1269). Copyright2006 American Chemical Society.

Mentions: Lee et al. developed a conformational switch based on a cyclichydrogen-bonding network in a tris(N-salicylideneaniline)derivative (Figure 43).1268−1271 Structural distortion induced by folding and unfolding processesresulted in a significant change in the electronic properties of thesystem. BODIPY chromophores were tethered to the molecule as fluorescentenergy acceptors. In the folded form, the molecule adopted a highlyordered hydrogen-bonding array, and energy transfer took place fromthe core tris(N-salicylideneaniline)moiety to theBODIPYs. When a hydrogen-bond acceptor such as fluoride was added,the molecule unfolded, and a substantial decrease in the fluorescenceof the BODIPY dyes was detected. Because each mobile element cooperatedin the folding process via hydrogen bonding, conformational changewas highly cooperative. The initial fluorescence intensity could berecovered when the fluoride anions were captured by trimethylsilylchloride.


Artificial Molecular Machines.

Erbas-Cakmak S, Leigh DA, McTernan CT, Nussbaumer AL - Chem. Rev. (2015)

(a) Chemical structure of the t-butylphenyl andBODIPY-substituted foldamers, and (b) X-ray structure of the t-butylphenyl functionalized foldamer. Carbon atoms of the t-butyl groups and all hydrogen atoms except OH and NH havebeen omitted for clarity. (c) Schematic representation of conformationalswitching. D and A represent energy donor and acceptor modules, respectively.1268−1270 Parts (a) and (c) are adapted with permission from ref (1268). Copyright 2007 Wiley-VCHVerlag GmbH & Co. KGaA, Weinheim. Part (b) is reprinted with permissionfrom ref (1269). Copyright2006 American Chemical Society.
© Copyright Policy
Related In: Results  -  Collection

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getmorefigures.php?uid=PMC4585175&req=5

fig43: (a) Chemical structure of the t-butylphenyl andBODIPY-substituted foldamers, and (b) X-ray structure of the t-butylphenyl functionalized foldamer. Carbon atoms of the t-butyl groups and all hydrogen atoms except OH and NH havebeen omitted for clarity. (c) Schematic representation of conformationalswitching. D and A represent energy donor and acceptor modules, respectively.1268−1270 Parts (a) and (c) are adapted with permission from ref (1268). Copyright 2007 Wiley-VCHVerlag GmbH & Co. KGaA, Weinheim. Part (b) is reprinted with permissionfrom ref (1269). Copyright2006 American Chemical Society.
Mentions: Lee et al. developed a conformational switch based on a cyclichydrogen-bonding network in a tris(N-salicylideneaniline)derivative (Figure 43).1268−1271 Structural distortion induced by folding and unfolding processesresulted in a significant change in the electronic properties of thesystem. BODIPY chromophores were tethered to the molecule as fluorescentenergy acceptors. In the folded form, the molecule adopted a highlyordered hydrogen-bonding array, and energy transfer took place fromthe core tris(N-salicylideneaniline)moiety to theBODIPYs. When a hydrogen-bond acceptor such as fluoride was added,the molecule unfolded, and a substantial decrease in the fluorescenceof the BODIPY dyes was detected. Because each mobile element cooperatedin the folding process via hydrogen bonding, conformational changewas highly cooperative. The initial fluorescence intensity could berecovered when the fluoride anions were captured by trimethylsilylchloride.

View Article: PubMed Central - PubMed

Affiliation: School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom.

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

bonded molecules and on catenanes and rotaxanes in which switching of other protic solvents... This effect (listed in descending binding ability) stations on the thread, macrocycle In these systems, fast-responding reporters are preferred... practical applications by utilizing molecular scale changes to create macroscopic effects... The thread of these rotaxanes included an anthracene fluorophore similar application in synthetic polymers often furnishes a useful result... of Brownian motion can be exploited to great effect in the synthesis every aspect of functional molecule and materials design... An improved robotics” in which ratcheted motions of molecular components

No MeSH data available.