A Dynamic and Responsive Host in Action: Light‐Controlled Molecular Encapsulation

The rational design of a flexible molecular box, oAzoBox (4+), incoporating both photochromic and supramolecular recognition motifs is described. We exploit the E↔Z photoisomerization properties of azobenzenes to alter the shape of the cavity of the macrocycle upon absorption of light. Imidazolium m...

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Detalles Bibliográficos
Autores principales: Ryan, Seán T. J., del Barrio, Jesús, Suardíaz, Reynier, Ryan, Daniel F., Rosta, Edina, Scherman, Oren A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2016
Materias:
Communications
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5396292/
https://www.ncbi.nlm.nih.gov/pubmed/27791303
http://dx.doi.org/10.1002/anie.201607693
Descripción
Sumario:The rational design of a flexible molecular box, oAzoBox (4+), incoporating both photochromic and supramolecular recognition motifs is described. We exploit the E↔Z photoisomerization properties of azobenzenes to alter the shape of the cavity of the macrocycle upon absorption of light. Imidazolium motifs are used as hydrogen‐bonding donor components, allowing for sequestration of small molecule guests in acetonitrile. Upon E→Z photoisomerization of oAzoBox (4+) the guest is expelled from the macrocyclic cavity.

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