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Media type:
E-Article
Title:
(Aza)Pentacenes Clipped into a Ring: Stabilization of Large (Aza)Acenes
Contributor:
Ahrens, Lukas;
Tverskoy, Olena;
Weigold, Svenja;
Ganschow, Michael;
Rominger, Frank;
Freudenberg, Jan;
Bunz, Uwe H. F.
imprint:
Wiley, 2021
Published in:Angewandte Chemie International Edition
Language:
English
DOI:
10.1002/anie.202015348
ISSN:
1433-7851;
1521-3773
Origination:
Footnote:
Description:
<jats:title>Abstract</jats:title><jats:p>A doubly alkylene bridged 6,13‐diphenylpentacene and analogously bridged azapentacenes were prepared; they are persistent. The doubly bridged azapentacenes display superior photochemical, oxidative and thermal stabilities compared to azapentacenes protected by bis(TIPS‐ethynyl)‐substituents—clipping an azaacene into a large ring is a viable complement in stabilization.</jats:p>