Results 151 to 160 of about 5,195 (200)

Spotlight on Mechanosterics: A Bulky Macrocycle Promotes Functional Group Reactivity in a [2]Rotaxane. [PDF]

J Am Chem Soc
Pickl T, Stark C, Briganti D, Curcio M, Pöthig A.   +4 more
europepmc   +1 more source

Enantioselective sensing driven by the interplay of point, helical and planar chirality in pillar[5]arene Pseudo[1]catenanes. [PDF]

Commun Chem
Crisafulli D, Mazzaferro M, Mancuso F, Cirilli R, Pierini M, Zagami R, Monsù Scolaro L, Hickey N, Geremia S, Notti A, Parisi MF, Pisagatti I, Gattuso G.   +12 more
europepmc   +1 more source

Rotaxane Dendrimers

, 2003
The synthesis, properties, and potential applications of rotaxane dendrimers, dendritic molecules containing rotaxane-like mechanical bonds to link their components are described. Rotaxane dendrimers are classified into three types depending on where rotaxane-like features are introduced - Type I, II, and III rotaxane dendrimers which incorporate ...
Lee, JW, Kim, K
openaire   +4 more sources

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A Rotaxane Exciplex

Journal of the American Chemical Society, 2001
The creation of molecular-scale photonic devices requires supramolecular logic elements.1-3 Although the study of supramolecular photochemistry is still in its infancy, it is clear that it offers much greater diversity than single-molecule systems. These components may permit access to complex photophysical processes, such as vectorial energy transfer,
M J, MacLachlan, A, Rose, T M, Swager
openaire   +2 more sources

Amphiphilic Bistable Rotaxanes

Chemistry – A European Journal, 2003
AbstractTwo molecular shuttles/switches—a slow one and a fast one—in the shape of amphiphilic, bistable [2]rotaxanes have been synthesized and characterized. Both [2]rotaxanes contain a hydrophobic, tetraarylmethane and a hydrophilic, dendritic stopper.
Jeppesen, J.O., Nielsen, K.A., Perkins, J., Vignon, S.A., Di Fabio, A., Ballardini, R., Gandolfi, M.T., Venturi, M., Balzani, V., Becher, J., m.fl.   +10 more
openaire   +3 more sources

Novel photoswitchable rotaxanes

Chem. Commun., 2007
A photoresponsive rotaxane based on the photoheterolysis of an acridane unit which is at the same time a bulky end group has been developed.
Werner, Abraham, Karin, Buck, Marziena, Orda-Zgadzaj, Sebastian, Schmidt-Schäffer, Ulrich-W, Grummt   +4 more
openaire   +2 more sources

Cyclodextrin Rotaxanes and Polyrotaxanes

Chemical Reviews, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Gerhard, Wenz, Bao-Hang, Han, Axel, Müller   +2 more
openaire   +2 more sources

The electrochemical polymerisation of a [2]rotaxane

Tetrahedron Letters, 2006
We report the synthesis of a dithienylpyrrole-stoppered rotaxane and its subsequent electrochemical polymerisation onto a platinum working electrode surface.
Patrice Woisel, Vincent Rotello, Graeme Cooke   +2 more
exaly   +2 more sources

An Oriented Handcuff Rotaxane

Organic Letters, 2013
The first example of an oriented handcuff rotaxane has been obtained by through-the-annulus threading of a double-calix[6]arene system with a bis-ammonium axle. The relative orientation of the two calix-wheels can be predefined by exploiting the "endo-alkyl rule" which controls the directionality of the threading of alkylbenzylammonium axles with ...
CIAO, ROBERTA, TALOTTA, CARMEN, GAETA, CARMINE, MARGARUCCI, LUIGI, CASAPULLO, Agostino, NERI, Placido   +5 more
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Bright functional rotaxanes

Chem. Soc. Rev., 2010
As a hot topic in research, various rotaxanes continue to be constructed. This tutorial review focuses mainly on bright rotaxanes with functional properties, which have been developed in recent years: fluorescent rotaxanes, rotaxanes as logic gates and information storage devices, gelation of rotaxanes, rotaxanes on solid surfaces, sensory rotaxanes ...
Xiang, Ma, He, Tian
openaire   +2 more sources