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1 article(s) from Teichmann, Ellen

Oxidative and reductive cyclization in stiff dithienylethenes

Michael Kleinwächter,
Ellen Teichmann,
Lutz Grubert,
Martin Herder and
Stefan Hecht

Beilstein J. Org. Chem. 2018, 14, 2812–2821, doi:10.3762/bjoc.14.259

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Scheme 1: Combining double bond isomerization (E/Z) and cyclization/cycloreversion (Z/C) in three-state switc...

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Scheme 2: Overview of all sDTE and reference DTE compounds investigated in this study. The compound names ind...

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Figure 1: Cyclic voltammograms of sDTE₆₆-Me. a) Both E- (black line) and Z-isomer (blue dashed line) display ...

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Figure 2: Spectroelectrochemistry of sDTE₆₆-Me. Absorption changes during CV, insets showing the correspondin...

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Scheme 3: Proposed mechanism for the oxidative cyclization of sDTE₆₆-Me. Upon two-fold oxidation, both open i...

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Figure 3: Anodic peak potentials (E_p^a) of sDTEs and reference compounds in MeCN. Solid circles refer to the f...

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Figure 4: Cyclic voltammograms of sDTE₆₆-PhCN. The reduction of a) E-sDTE₆₆-PhCN (black line) is reversible, ...

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Figure 5: Cyclic voltammogram of DTE-PhFluorene. The ring-closed isomer (red dashed line) is formed both unde...

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Figure 6: Cyclic voltammograms of Me₂NPh-DTE-PhCN displaying separated one-electron anodic and cathodic waves...

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Scheme 4: Proposed mechanism to explain the observed selectivity of anodic and cathodic cyclization in sDTE₆₆...

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Published 09 Nov 2018

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