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1 article(s) from Schleper, A. Lennart

Mono- and bithiophene-substituted diarylethene photoswitches with emissive open or closed forms

A. Lennart Schleper,
Mariano L. Bossi,
Vladimir N. Belov and
Stefan W. Hell

Beilstein J. Org. Chem. 2019, 15, 2344–2354, doi:10.3762/bjoc.15.227

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Figure 1: Structures of “thiophenylated” DAEs prepared and studied in this work.

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Scheme 1: Synthesis routes towards mono- and diiodinated core structures 4, 5, 7, and 8.

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Scheme 2: Synthesis of thiophene- and bithiopheneboronic esters 9 and 12 (bpy – 4,4’-di-tert-butyl-2,2’-dipyr...

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Scheme 3: Photoswitchable diarylethenes AsTh₁, SyTh₁, AsTh₂, SyTh₂, AsOTh₁, SyOTh₁, AsOTh₂, and SyOTh₂ synthe...

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Scheme 4: Saponification of methyl ester groups in tetraester SyTh₂ leading to tetracarboxylic acid SyTh₂-H.

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Figure 2: Absorption (A) and emission (B) spectra of SyTh₂ in acetonitrile in the course of the cyclization r...

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Figure 3: Absorption spectra of the OFs (A) and CFs (B) of AsTh₁ (a), SyTh₁ (b), AsTh₂ (c), SyTh₂ (d), AsOTh₁...

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Figure 4: Solutions of compounds AsTh₁ (a), SyTh₁ (b), AsTh₂ (c), SyTh₂ (d), AsOTh₁ (e), SyOTh₁ (f), AsOTh₂ (...

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Figure 5: Fatigue resistances of compounds SyOTh₁ (A and B) and SyTh₁ (C). Parts A and C show the absorbance ...

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Figure 6: (A) Absorption spectra of compound SyOTh₁ in MeCN at the photostationary states under irradiation w...

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Published 01 Oct 2019

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