期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 138, 期 4, 页码 1142-1145出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b12198
关键词
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资金
- A. v. Humboldt foundation
- ERC [SUPRADAPT 290585]
- Karlsruhe Institute of Technology (KIT) in the context of the BIFTM program of the Helmholtz association
- Karlsruhe Institute of Technology (KIT) in the context of the STN program of the Helmholtz association
N-alkyl alpha-bisimines were employed as main-chain functional groups in acyclic diene metathesis (ADMET)-polymers, conferring dual responsiveness for the controlled switching of the polymeric particle shape with light and metal ions. Photochemical Z/E-isomerization leads to a significant and reversible change in hydrodynamic volume, thus introducing simple imines as novel photoswitches for light-responsive materials. Mild imine-directed CH activation by Pd(OAc)(2) is demonstrated as a new single-chain nanoparticle (SCNP) folding process, enabling a controlled atom- and step-economic SCNP synthesis. The combination of light- and metallo-responsiveness in the same polymer provides the ability for orthogonal switching, a valuable tool for advanced functional material design.
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