Azulenes with aryl substituents bearing pentafluorosulfanyl groups: synthesis, spectroscopic and halochromic properties†,New Journal of Chemistry

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Azulenes with aryl substituents bearing pentafluorosulfanyl groups: synthesis, spectroscopic and halochromic properties†
New Journal of Chemistry ( IF 2.7 ) Pub Date : 2018-12-07 00:00:00 , DOI: 10.1039/c8nj05520c
Stephen J. Webster _{1,

2,

3,

4} , Carlos M. López-Alled _{2,

3,

4,

5} , Xinxing Liang _{1,

2,

3,

4} , Claire L. McMullin _{1,

2,

3,

4} , Gabriele Kociok-Köhn _{3,

4,

6} , Catherine L. Lyall _{3,

4,

6} , Tony D. James _{1,

2,

3,

4,

5} , Jannis Wenk _{2,

3,

4,

5,

7} , Petra J. Cameron _{1,

2,

3,

4,

5} , Simon E. Lewis _{1,

2,

3,

4,

5}

Affiliation

Four regioisomeric azulenes bearing pentafluorosulfanylphenyl substituents have been prepared and characterised by various spectroscopic techniques. The absorption spectra are qualitatively similar in the visible region for all isomers, but upon protonation exhibit pronounced variation dependent on the connectivity within each molecule.

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