Remote Control of the Synthesis of a [2]Rotaxane and its Shuttling via Metal‐Ion Translocation
Sign Up to like & getrecommendations! Published in 2019 at "ChemistryOpen"
DOI: 10.1002/open.201900293
Abstract: Abstract Remote control in an eight‐component network commanded both the synthesis and shuttling of a [2]rotaxane via metal‐ion translocation, the latter being easily monitored by distinct colorimetric and fluorimetric signals. Addition of zinc(II) ions to… read more here.
Keywords: remote control; ion translocation; metal; ion ... See more keywords
A photogated photoswitchable [2]rotaxane based on orthogonal photoreactions
Sign Up to like & getrecommendations! Published in 2021 at "Tetrahedron"
DOI: 10.1016/j.tet.2021.132284
Abstract: Abstract A photoswitchable [2]rotaxane with unique photogated macrocyclic shuttling is constructed by incorporating the photoswitchable azobenzene (AB) and nonphotoactive biphenyl (BP) units into the axle as two terminal recognition sites, bridged by a naphthalene (NAP)… read more here.
Keywords: photogated photoswitchable; photoswitchable rotaxane; rotaxane based; based orthogonal ... See more keywords
Luminescent Thermoresponse via Excimer/Exciplex Transition of Pyrene Derivative in Polymer Networks Containing [3]Rotaxane.
Sign Up to like & getrecommendations! Published in 2023 at "ACS macro letters"
DOI: 10.1021/acsmacrolett.3c00196
Abstract: The modulation of molecular interaction with a [3]rotaxane structure enabled a luminescent thermoresponse with high sensitivity over a wide temperature range. Herein, a pyrene moiety was encapsulated by permethylated α-cyclodextrins and was introduced into a… read more here.
Keywords: thermoresponse via; luminescent thermoresponse; rotaxane; excimer exciplex ... See more keywords
Transamidation-Driven Molecular Pumps
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c06807
Abstract: We report a new class of synthetic molecular pumps that use a stepwise information ratchet mechanism to achieve the kinetic gating required to sequester their macrocyclic substrates from bulk solution. Threading occurs as a result… read more here.
Keywords: transamidation; rotaxane; transamidation driven; pump ... See more keywords
Controllable photomechanical bending of metal-organic rotaxane crystals facilitated by regioselective confined-space photodimerization
Sign Up to like & getrecommendations! Published in 2022 at "Nature Communications"
DOI: 10.1038/s41467-022-29738-y
Abstract: Molecular machines based on mechanically-interlocked molecules (MIMs) such as (pseudo) rotaxanes or catenates are known for their molecular-level dynamics, but promoting macro-mechanical response of these molecular machines or related materials is still challenging. Herein, by… read more here.
Keywords: photodimerization; organic rotaxane; rotaxane; metal organic ... See more keywords
Syntheses of metallo-pseudorotaxanes, rotaxane and post-synthetically functionalized rotaxane: a comprehensive spectroscopic study and dynamic properties.
Sign Up to like & getrecommendations! Published in 2017 at "Dalton transactions"
DOI: 10.1039/c7dt01364g
Abstract: Herein, a bis-amido tris-amine macrocycle and five bipyridine-based bidentate chelating ligands were investigated towards various divalent transition metal ion (NiII, CoII, CuII, and ZnII)-templated syntheses of metallo [2]pseudorotaxanes. The formation of these ternary complexes was… read more here.
Keywords: syntheses metallo; tris amine; spectroscopic; spectroscopy ... See more keywords
Anion and pH dependent molecular motion by a halogen bonding [2]rotaxane.
Sign Up to like & getrecommendations! Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc04752b
Abstract: A bistable [2]rotaxane containing a halogen bonding benzimidazole-iodotriazole station directly conjugated to a naphthalimide station axle component is demonstrated to undergo macrocycle shuttling translocation only upon both protonation and chloride anion recognition. A naked-eye detectable… read more here.
Keywords: dependent molecular; anion dependent; rotaxane; halogen bonding ... See more keywords
Thermal stabilisation of squaraine dyes by encapsulation in a rotaxane
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Chemistry"
DOI: 10.1039/d0nj03218b
Abstract: Here we show how encapsulation of a squaraine dye in a rotaxane structure renders the dye that normally start decomposing at 100 °C stable above 250 °C. This thermal stabilisation makes new applications possible, and… read more here.
Keywords: encapsulation; rotaxane; thermal stabilisation; squaraine dyes ... See more keywords
Development and advancement of rotaxane dendrimers as switchable macromolecular machines
Sign Up to like & getrecommendations! Published in 2020 at "Materials Chemistry Frontiers"
DOI: 10.1039/d0qm00368a
Abstract: Rotaxane dendrimers are a newly emerging large family of mechanically interlocked molecules (MIMs), which combine the concept of molecular switching properties into hyperbranched dendrimers to render new macromolecular machines. Basically, rotaxane dendrimers are divided into… read more here.
Keywords: macromolecular machines; rotaxane dendrimers; development advancement; rotaxane ... See more keywords
Threading of three rings on two stations: a convergent approach to [4]rotaxane.
Sign Up to like & getrecommendations! Published in 2021 at "Chemical communications"
DOI: 10.1039/d1cc05501a
Abstract: A novel approach to efficient and selective construction of [4]rotaxane was proposed to demonstrate the superiority of H-bonded azo-macrocycles in forging higher order rotaxanes. The single crystal structure reveals the importance of the interplay of… read more here.
Keywords: threading three; three rings; rings two; rotaxane ... See more keywords
A mechanically self-locked gemini-[1]rotaxane-assembled microsphere and its properties on l-Arg controlled reversible morphology and fluorescence changes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Materials Chemistry C"
DOI: 10.1039/d1tc01965a
Abstract: A novel pillar[5]arene-based gemini-[1]rotaxane DEP5 was successfully designed and synthesized, the morphology and fluorescent properties of the gemini-[1]rotaxane DEP5 could be reversibly controlled by alternative addition of l-Arg and TFA. read more here.
Keywords: self locked; mechanically self; locked gemini; morphology ... See more keywords