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Controlling azobenzene photoswitching through combined ortho-fluorination and -amination

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Abstract

We present a series of visible-light-absorbing azobenzene photoswitches with cis-lifetimes ranging from one second to three days. We combine ortho-fluorination to control the cis-lifetimes, and ortho-amination to boost the visible-light absorption. The synthesis is accomplished by selectively replacing one or more ortho-fluorines with amines in the ortho-fluoroazobenzene precursors.

Graphical abstract: Controlling azobenzene photoswitching through combined ortho-fluorination and -amination

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Publication details

The article was received on 18 Sep 2017, accepted on 09 Oct 2017 and first published on 09 Oct 2017


Article type: Communication
DOI: 10.1039/C7CC07308A
Citation: Chem. Commun., 2017, Advance Article
  • Open access: Creative Commons BY-NC license
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    Controlling azobenzene photoswitching through combined ortho-fluorination and -amination

    Z. Ahmed, A. Siiskonen, M. Virkki and A. Priimagi, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC07308A

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