Universität zu Köln

Lu, Zhenpin ORCID: 0000-0003-0000-6026, Quanz, Henrik ORCID: 0000-0001-8437-1105, Ruhl, Julia ORCID: 0000-0002-3062-9227, Albrecht, Georg, Logemann, Christian, Schlettwein, Derck ORCID: 0000-0002-3446-196X, Schreiner, Peter R. ORCID: 0000-0002-3608-5515 and Wegner, Hermann A. ORCID: 0000-0001-7260-6018 (2019). Control of Excited-State Conformations in B,N-Acenes. Angew. Chem.-Int. Edit., 58 (13). S. 4259 - 4264. WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1521-3773

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Abstract

We present a new concept to control the conformations of molecules in the excited state through harvesting negative hyperconjugation. The strategy was realized with the 2,3,1,4-benzodiazadiborinane scaffold, which was prepared by a new synthetic procedure. Photochemical studies identified dual light emission, which was assigned to well-defined conformers. The emission at longer wavelength can be switched off by restricting the rotational degrees of freedom in the solid state as well as by controlling the energy levels of the excited states through adjusting the solvent polarity.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Lu, Zhenpin UNSPECIFIED orcid.org/0000-0003-0000-6026 UNSPECIFIED Quanz, Henrik UNSPECIFIED orcid.org/0000-0001-8437-1105 UNSPECIFIED Ruhl, Julia UNSPECIFIED orcid.org/0000-0002-3062-9227 UNSPECIFIED Albrecht, Georg UNSPECIFIED UNSPECIFIED UNSPECIFIED Logemann, Christian UNSPECIFIED UNSPECIFIED UNSPECIFIED Schlettwein, Derck UNSPECIFIED orcid.org/0000-0002-3446-196X UNSPECIFIED Schreiner, Peter R. UNSPECIFIED orcid.org/0000-0002-3608-5515 UNSPECIFIED Wegner, Hermann A. UNSPECIFIED orcid.org/0000-0001-7260-6018 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-153437
DOI:	10.1002/anie.201814104
Journal or Publication Title:	Angew. Chem.-Int. Edit.
Volume:	58
Number:	13
Page Range:	S. 4259 - 4264
Date:	2019
Publisher:	WILEY-V C H VERLAG GMBH
Place of Publication:	WEINHEIM
ISSN:	1521-3773
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language INTRAMOLECULAR CHARGE-TRANSFER; HETEROAROMATIC-COMPOUNDS; TICT FLUORESCENCE; SYNTHETIC METHODS; FREE-VOLUME; DERIVATIVES; CHEMISTRY; LIGANDS Multiple languages Chemistry, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/15343