2018
DOI: 10.1002/ange.201804716
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Übertragung unidirektionaler molekularer Motorrotation auf eine räumlich getrennte Biarylachse

Abstract: Molekulare Motoren vollführen kontinuierliche direktionale Bewegungen durchZ ufuhr externer Energie.E ine große Herausforderung ist die definierte Übertragung direktionaler Motorbewegungen auf räumlich getrennte molekulare Einheiten. Hier wird ein molekulares System präsentiert, in dem die direktionale Rotation einer lichtbetriebenen Motoreinheit über eine Ethylenglycolkette auf eine entfernte Biarylachse übertragen werden kann. Rçntgenstrukturanalyse,ECDund NMR-Experimente sowie umfassende theoretische Studie… Show more

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Cited by 18 publications
(2 citation statements)
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References 62 publications
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“…In multi‐step processes like the rotation cycle in HTI motors [20–22,26–29] (Figure 1) the analysis can be hampered if some intermediate isomers are photo‐populated with limited efficiency. In such cases the subsequent thermal depopulation of the primary photoproducts proceeds rather fast due to a low energy barrier for thermal helix inversion in these motors, which decreases the population of observable primary intermediates.…”
Section: Introductionmentioning
confidence: 99%
“…In multi‐step processes like the rotation cycle in HTI motors [20–22,26–29] (Figure 1) the analysis can be hampered if some intermediate isomers are photo‐populated with limited efficiency. In such cases the subsequent thermal depopulation of the primary photoproducts proceeds rather fast due to a low energy barrier for thermal helix inversion in these motors, which decreases the population of observable primary intermediates.…”
Section: Introductionmentioning
confidence: 99%
“…[27] Although HI molecules were first synthesized over a century ago [24] and their basic photoswitching characteristics have been known for at least two decades, [25] interest has recently grown due to the development of new derivatives that respond to red light, have high thermal stability of their switching states, are simple to synthesize and function-alize, and exhibit high photostability. [17] Recent contributions have reported asymmetric HI systems that exhibit photoswitching of chiroptical properties, [26] and HTI chromophores that can be deployed as controllable molecular motors, [23,[28][29][30][31][32] receptors [33][34] or tweezers. [19,35] Other applications include light controlled peptide structure [36][37][38] and supramolecular chemistry.…”
mentioning
confidence: 99%