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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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Photoinitiated redox-driven shuttling in a [2]-rotaxaneinitiatedby (i) irradiation and (ii) subsequent reduction of viologen station.(iii) Competing back electron transfer from one-electron reduced viologento Ru3+. (iv, v) With continuous irradiation the macrocycleshuttles to the dimethylviologen station. (vi) Ceasing illuminationrestores the macrocycle to its original position.794
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fig26: Photoinitiated redox-driven shuttling in a [2]-rotaxaneinitiatedby (i) irradiation and (ii) subsequent reduction of viologen station.(iii) Competing back electron transfer from one-electron reduced viologento Ru3+. (iv, v) With continuous irradiation the macrocycleshuttles to the dimethylviologen station. (vi) Ceasing illuminationrestores the macrocycle to its original position.794

Mentions: In a carefully designed shuttlereported by Stoddart et al., translational switching was obtainedby one-electron reduction of a viologen station by a ruthenium trisbipyridinestopper (Figure 26).794 Relatively slow back electron transferpermitted ca. 10% of the macrocycle to reposition to the dimethylviologen station on each electron transfer. Continuous irradiationmaintained a 95:5 distribution of the macrocycle in favor of the dimethylviologen station. The system equilibrated back to the original viologenposition once irradiation ceased with spontaneous back electron transferallowing reversion.


Artificial Molecular Machines.

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

Photoinitiated redox-driven shuttling in a [2]-rotaxaneinitiatedby (i) irradiation and (ii) subsequent reduction of viologen station.(iii) Competing back electron transfer from one-electron reduced viologento Ru3+. (iv, v) With continuous irradiation the macrocycleshuttles to the dimethylviologen station. (vi) Ceasing illuminationrestores the macrocycle to its original position.794
© Copyright Policy
Related In: Results  -  Collection

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getmorefigures.php?uid=PMC4585175&req=5

fig26: Photoinitiated redox-driven shuttling in a [2]-rotaxaneinitiatedby (i) irradiation and (ii) subsequent reduction of viologen station.(iii) Competing back electron transfer from one-electron reduced viologento Ru3+. (iv, v) With continuous irradiation the macrocycleshuttles to the dimethylviologen station. (vi) Ceasing illuminationrestores the macrocycle to its original position.794
Mentions: In a carefully designed shuttlereported by Stoddart et al., translational switching was obtainedby one-electron reduction of a viologen station by a ruthenium trisbipyridinestopper (Figure 26).794 Relatively slow back electron transferpermitted ca. 10% of the macrocycle to reposition to the dimethylviologen station on each electron transfer. Continuous irradiationmaintained a 95:5 distribution of the macrocycle in favor of the dimethylviologen station. The system equilibrated back to the original viologenposition once irradiation ceased with spontaneous back electron transferallowing reversion.

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.